50 Things to Do in San Luis Potosí (2026 Local's Guide)

Verified July 3, 2026 · Published by San Luis Way Editorial

Verification Summary

Reliability score

8.2/10

High

Claims analyzed

12

Individually verified

Verdict breakdown

  • 8 True
  • 4 Partially True
Source article analyzed: https://www.sanluisway.com/blog/things-to-do-san-luis-potosi-2026

Verdicts at a glance

Every claim in the source article, verified individually. Jump to any claim for full evidence.

  1. Claim 1 · True· Confidence: High

    "General admission is MX$55 (July 2026) and includes the Centro de las Artes; Wednesdays are free, Tue–Sun 10 AM–6 PM." (Item 8; also repeated in the intro and FAQ. Opening date March 22, 2018 inside the former penitentiary.)"

    Every hard number verified exactly against the museum's own website, fetched live on July 3, 2026: general admission $55.00 "incluye acceso al CEARTSLP," free admission all Wednesdays (with extended Wednesday hours to 8 PM), core hours 10:00–18:00 (last entry 5:15 PM). The one soft spot is the day range: the SIC Cultura government registry (updated April 29, 2026) says "Martes a domingo," matching the post, while the museum's own /visita and /boletaje pages currently say "lunes a domingo." The March 22, 2018 opening date and penitentiary history were verified in our earlier Carrington dossier.

    3 sources cited

  2. Claim 2 · Partially True· Confidence: High

    "Entry is MX$20 general, MX$10 students/kids/INAPAM (verified July 2026); hours vary by day, roughly 10 AM–6 PM Tue–Fri with shorter Mon and weekend schedules." (Item 10)"

    The prices are exactly right: the museum's own website, fetched July 3, 2026, lists "General: $20 / Estudiantes e INAPAM: $10." The hours description is not: the museum's own site and the SIC Cultura registry (updated May 2026) both now publish a *longer* schedule — Monday to Saturday 10 AM–9 PM, Sunday 11 AM–7 PM — the opposite of the post's "shorter Mon and weekend schedules." The post's hedged schedule matches an older cultura.gob.mx listing that appears superseded.

    3 sources cited

  3. Claim 3 · Partially True· Confidence: High

    "A museum devoted to contemporary sculpture — rare in Latin America — in a landmark building on Plaza San Francisco's edge (Álvaro Obregón 4). MX$30 general, free on Sundays, closed Tuesdays (verified July 2026)." (Item 11)"

    Price and schedule verify exactly: MX$30 general (MX$15 teachers/students/kids/INAPAM/disability), free Sundays, closed Tuesdays, Mon–Sat 10–18 and Sun 10–14. The address is wrong: every authoritative source places the museum at Álvaro Obregón **80**, facing the **Jardín de San Juan de Dios** — not "Álvaro Obregón 4" on "Plaza San Francisco's edge." The building is the former Hospital de San Juan de Dios site (later Escuela Modelo), several blocks west of Plaza San Francisco.

    4 sources cited

  4. Claim 4 · Partially True· Confidence: High

    "Built 1889–1894 under the Porfiriato by architect José Noriega and inaugurated on December 4, 1894 with Donizetti's Lucrezia Borgia, its dome was fabricated in Paris." (Item 4)"

    Four of five components verify solidly: construction 1889–1894 (begun September 16, 1889), architect José Noriega, inaugural opera Lucrezia Borgia by Donizetti, and the Paris-fabricated dome ("Su cúpula fue mandada y hecha desde París, Francia a petición del presidente Porfirio Díaz"). The exact inauguration date is contested — and the weight of evidence is against the post. The state tourism site (the post's source) says December 4, 1894, but Wikipedia ES, Cronologías San Luis Potosí (which ties the opening to a Congreso Médico Nacional), and El Universal SLP's 131st-anniversary article all say **November 4, 1894**.

    4 sources cited

  5. Claim 5 · Partially True· Confidence: High

    "A ~1-hour panoramic loop past the Cathedral, San Agustín, San Miguelito and the Calzada, departing every ~30 minutes from beside the Jardín de San Juan de Dios. Two operators run the route and published prices vary (roughly MX$50–120) — confirm when boarding." (Item 5)"

    The logistics all verify: ~1-hour narrated loop, departures from beside the Jardín de San Juan de Dios (Hotel Nápoles side), frequency every 25–30 minutes, and two operators (Tranvía San Luis Rey and a Grupo Senda tram). The price band does not hold up: the city tourism portal currently publishes MX$120 adults / MX$100 children-INAPAM, and the San Luis Rey operator's own website now lists MX$150 adults / MX$100 children-INAPAM — above the post's MX$120 ceiling. The MX$50 lower bound traces to an old Time Out piece and no longer reflects any current adult fare.

    4 sources cited

  6. Claim 6 · True· Confidence: High

    "The Catedral Metropolitana de San Luis Rey was built between 1670 and 1730 in Mexican Baroque and only became a cathedral in 1854." (Item 2)"

    Construction 1670–1730 and the 1854 elevation to cathedral status are the consensus figures across encyclopedic and architectural sources: begun 1670 on the site of the 1593 parish church, completed 1730 as one of the city's first Baroque constructions, and consecrated as a cathedral in August 1854 under Pius IX when the Diocese of San Luis Potosí was erected.

    3 sources cited

  7. Claim 7 · True· Confidence: High

    "…a colonial core that UNESCO inscribed in 2010 as part of the Camino Real de Tierra Adentro World Heritage route." (Item 1; repeated in FAQ)"

    Previously verified against UNESCO's primary database (list entry 1351, inscribed August 1, 2010) in our San Luis Potosí vs San Miguel de Allende dossier; spot-checked July 3, 2026. The UNESCO page itself returned a 403 to automated fetching this session, but the inscription record was re-confirmed via Wikipedia's sourced entry, which lists component site 1351-039 as the "Historic center of San Luis Potosí."

    2 sources cited

  8. Claim 8 · True· Confidence: High

    "At 411 hectares it's Mexico's second-largest urban park — bigger than New York's Central Park (340 ha) — and entry is free, with night hours to 10:30 PM Tuesday–Saturday." (Item 23; 411 ha repeated in FAQ)"

    All four components were verified in our April 2026 best-parks dossier against the official operator (CECURT) and regional press, and the sources still hold: 411 ha (legal cadastre 411-40-00 ha), second-largest urban park in Mexico behind Chapultepec, free general entry, and the Tue–Sat schedule of 5:00 AM–10:30 PM. Central Park's 843 acres converts to ~341 ha, so "bigger than Central Park (340 ha)" is arithmetically sound.

    3 sources cited

  9. Claim 9 · True· Confidence: High

    "The park's wildlife unit houses rescued species and charges nothing — open Tuesday–Sunday, 9 AM–5 PM (verified 2026)" (Item 24) and "The hands-on science museum inside Tangamanga I charges MX$50 general and MX$40 for kids 4–5 (verified 2026)" (Item 44; both repeated in FAQ)."

    Both figures come directly out of corrections applied during our April 2026 best-parks investigation — i.e., they were the *fixed* versions of two errors we caught then. The zoo (UMA) schedule of Tuesday–Sunday 9:00 AM–5:00 PM matches El Universal SLP's dedicated coverage, and Museo Laberinto's MX$50 general / MX$40 (kids 4–5) admission was confirmed at the same time, correcting an earlier claim that Laberinto was free.

    1 source cited

  10. Claim 10 · True· Confidence: High

    "2026 rules: reserve a timed entry online 24 h–60 days ahead, pay at the gate (MX$180 adults + mandatory MX$30 Spanish / MX$60 English guide), closed Tuesdays." (Item 36)"

    Verified in full in our 2026 Xilitla dossier by direct fetches of the official Las Pozas site (Spanish and English versions): adults $180 MXN (seniors/kids 6–12 $120), mandatory guide $30 MXN Spanish / $60 MXN other language, reservation window "de 24 hrs a 60 días de anticipación" with payment exclusively at the physical box office, and closure every Tuesday for conservation (open Wed–Mon 9 AM–6 PM, last entry 4 PM).

    2 sources cited

  11. Claim 11 · True· Confidence: High

    "A 512-m-deep vertical cave (376 m of sheer free-fall) near Tamapatz... Expect a ~15-minute walk plus roughly 586 steps down to the rim viewpoints." (Item 38)"

    Verified in our Huasteca itinerary dossier: 512 m total depth with ~376 m of free-fall is the figure used by Wikipedia ES and regional tourism/news sources, and the ~586-step descent matches the majority of sources (one aggregator cites 686, likely a different trailhead/viewpoint). The post's "roughly" hedging is appropriate to that minor variance.

    2 sources cited

  12. Claim 12 · True· Confidence: High

    "The Feria Nacional Potosina runs August 7–30, 2026 at the Recinto Ferial, with 21 free Foro de las Estrellas concerts — Katy Perry (Aug 25) and Mötley Crüe (Aug 8) headline this year — plus ticketed palenque nights." (Item 39)"

    Fully verified in our FENAPO 2026 dossier (dates, the 21-date Foro list matched artist-for-artist against Infobae's official-list article, free first-come access, and the 14 ticketed palenque nights), and spot-checked against the official state portal on July 3, 2026: fenapo.slp.gob.mx currently shows the event calendar spanning August 7–30, 2026 with Katy Perry listed on "25 ago."

    3 sources cited

Detailed findings

True

Claim 1: Museo Leonora Carrington — MX$55, Free Wednesdays, 10 AM–6 PM, Ticket Includes Centro de las Artes

"General admission is MX$55 (July 2026) and includes the Centro de las Artes; Wednesdays are free, Tue–Sun 10 AM–6 PM." (Item 8; also repeated in the intro and FAQ. Opening date March 22, 2018 inside the former penitentiary.)"

Investigation summary

Every hard number verified exactly against the museum's own website, fetched live on July 3, 2026: general admission $55.00 "incluye acceso al CEARTSLP," free admission all Wednesdays (with extended Wednesday hours to 8 PM), core hours 10:00–18:00 (last entry 5:15 PM). The one soft spot is the day range: the SIC Cultura government registry (updated April 29, 2026) says "Martes a domingo," matching the post, while the museum's own /visita and /boletaje pages currently say "lunes a domingo." The March 22, 2018 opening date and penitentiary history were verified in our earlier Carrington dossier.

Sources (3)

Confidence: High— on price, free Wednesdays, and hours (exact primary-source match); Medium on the Tue-vs-Mon day range (live conflict between the museum's site and the government registry).

Partially True

Claim 2: Museo Nacional de la Máscara — MX$20 General, MX$10 Students/Kids/INAPAM, Hours ~10 AM–6 PM Tue–Fri

"Entry is MX$20 general, MX$10 students/kids/INAPAM (verified July 2026); hours vary by day, roughly 10 AM–6 PM Tue–Fri with shorter Mon and weekend schedules." (Item 10)"

Investigation summary

The prices are exactly right: the museum's own website, fetched July 3, 2026, lists "General: $20 / Estudiantes e INAPAM: $10." The hours description is not: the museum's own site and the SIC Cultura registry (updated May 2026) both now publish a *longer* schedule — Monday to Saturday 10 AM–9 PM, Sunday 11 AM–7 PM — the opposite of the post's "shorter Mon and weekend schedules." The post's hedged schedule matches an older cultura.gob.mx listing that appears superseded.

Sources (3)

Confidence: High— on prices (exact primary-source match); High that the stated hours no longer match the museum's current published schedule.

Partially True

Claim 3: Museo Federico Silva — MX$30, Free Sundays, Closed Tuesdays, "Plaza San Francisco's Edge (Álvaro Obregón 4)"

"A museum devoted to contemporary sculpture — rare in Latin America — in a landmark building on Plaza San Francisco's edge (Álvaro Obregón 4). MX$30 general, free on Sundays, closed Tuesdays (verified July 2026)." (Item 11)"

Investigation summary

Price and schedule verify exactly: MX$30 general (MX$15 teachers/students/kids/INAPAM/disability), free Sundays, closed Tuesdays, Mon–Sat 10–18 and Sun 10–14. The address is wrong: every authoritative source places the museum at Álvaro Obregón **80**, facing the **Jardín de San Juan de Dios** — not "Álvaro Obregón 4" on "Plaza San Francisco's edge." The building is the former Hospital de San Juan de Dios site (later Escuela Modelo), several blocks west of Plaza San Francisco.

Sources (4)

Confidence: High— prices/schedule exact; the address error is confirmed by three independent sources.

Partially True

Claim 4: Teatro de la Paz — Built 1889–1894 by José Noriega, Inaugurated December 4, 1894 with Lucrezia Borgia, Dome Fabricated in Paris

"Built 1889–1894 under the Porfiriato by architect José Noriega and inaugurated on December 4, 1894 with Donizetti's Lucrezia Borgia, its dome was fabricated in Paris." (Item 4)"

Investigation summary

Four of five components verify solidly: construction 1889–1894 (begun September 16, 1889), architect José Noriega, inaugural opera Lucrezia Borgia by Donizetti, and the Paris-fabricated dome ("Su cúpula fue mandada y hecha desde París, Francia a petición del presidente Porfirio Díaz"). The exact inauguration date is contested — and the weight of evidence is against the post. The state tourism site (the post's source) says December 4, 1894, but Wikipedia ES, Cronologías San Luis Potosí (which ties the opening to a Congreso Médico Nacional), and El Universal SLP's 131st-anniversary article all say **November 4, 1894**.

Sources (4)

Confidence: High— on construction years, architect, opera, and dome; Medium-High that the December 4 date is wrong (3 independent sources vs. 1, with the majority citing corroborating context).

Partially True

Claim 5: Tourist Tranvía — ~1-Hour Loop, Every ~30 Minutes from Jardín de San Juan de Dios, Two Operators, Prices Roughly MX$50–120

"A ~1-hour panoramic loop past the Cathedral, San Agustín, San Miguelito and the Calzada, departing every ~30 minutes from beside the Jardín de San Juan de Dios. Two operators run the route and published prices vary (roughly MX$50–120) — confirm when boarding." (Item 5)"

Investigation summary

The logistics all verify: ~1-hour narrated loop, departures from beside the Jardín de San Juan de Dios (Hotel Nápoles side), frequency every 25–30 minutes, and two operators (Tranvía San Luis Rey and a Grupo Senda tram). The price band does not hold up: the city tourism portal currently publishes MX$120 adults / MX$100 children-INAPAM, and the San Luis Rey operator's own website now lists MX$150 adults / MX$100 children-INAPAM — above the post's MX$120 ceiling. The MX$50 lower bound traces to an old Time Out piece and no longer reflects any current adult fare.

Sources (4)

Confidence: High— on logistics; High that the published price band needs updating to MX$100–150.

True

Claim 6: Catedral Metropolitana — Built 1670–1730, Became a Cathedral in 1854

"The Catedral Metropolitana de San Luis Rey was built between 1670 and 1730 in Mexican Baroque and only became a cathedral in 1854." (Item 2)"

Investigation summary

Construction 1670–1730 and the 1854 elevation to cathedral status are the consensus figures across encyclopedic and architectural sources: begun 1670 on the site of the 1593 parish church, completed 1730 as one of the city's first Baroque constructions, and consecrated as a cathedral in August 1854 under Pius IX when the Diocese of San Luis Potosí was erected.

Sources (3)

Confidence: High— Multiple independent encyclopedic sources agree on both dates.

True

Claim 7: UNESCO Inscribed the Centro in 2010 as Part of the Camino Real de Tierra Adentro

"…a colonial core that UNESCO inscribed in 2010 as part of the Camino Real de Tierra Adentro World Heritage route." (Item 1; repeated in FAQ)"

Investigation summary

Previously verified against UNESCO's primary database (list entry 1351, inscribed August 1, 2010) in our San Luis Potosí vs San Miguel de Allende dossier; spot-checked July 3, 2026. The UNESCO page itself returned a 403 to automated fetching this session, but the inscription record was re-confirmed via Wikipedia's sourced entry, which lists component site 1351-039 as the "Historic center of San Luis Potosí."

Sources (2)

Confidence: High— Primary-source verification on record, corroborated on spot-check.

True

Claim 8: Parque Tangamanga I — 411 ha, Mexico's Second-Largest Urban Park, Bigger Than Central Park (340 ha), Free, Night Hours to 10:30 PM Tue–Sat

"At 411 hectares it's Mexico's second-largest urban park — bigger than New York's Central Park (340 ha) — and entry is free, with night hours to 10:30 PM Tuesday–Saturday." (Item 23; 411 ha repeated in FAQ)"

Investigation summary

All four components were verified in our April 2026 best-parks dossier against the official operator (CECURT) and regional press, and the sources still hold: 411 ha (legal cadastre 411-40-00 ha), second-largest urban park in Mexico behind Chapultepec, free general entry, and the Tue–Sat schedule of 5:00 AM–10:30 PM. Central Park's 843 acres converts to ~341 ha, so "bigger than Central Park (340 ha)" is arithmetically sound.

Sources (3)

Confidence: High— Official operator, encyclopedia and regional press aligned; pre-verified and spot-checked.

True

Claim 9: Tangamanga Family Attractions — Free Zoo Tue–Sun 9 AM–5 PM; Museo Laberinto MX$50 (Kids 4–5 MX$40)

"The park's wildlife unit houses rescued species and charges nothing — open Tuesday–Sunday, 9 AM–5 PM (verified 2026)" (Item 24) and "The hands-on science museum inside Tangamanga I charges MX$50 general and MX$40 for kids 4–5 (verified 2026)" (Item 44; both repeated in FAQ)."

Investigation summary

Both figures come directly out of corrections applied during our April 2026 best-parks investigation — i.e., they were the *fixed* versions of two errors we caught then. The zoo (UMA) schedule of Tuesday–Sunday 9:00 AM–5:00 PM matches El Universal SLP's dedicated coverage, and Museo Laberinto's MX$50 general / MX$40 (kids 4–5) admission was confirmed at the same time, correcting an earlier claim that Laberinto was free.

Sources (1)

Confidence: High— Primary press source plus museum-published pricing, pre-verified with corrections applied.

True

Claim 10: Las Pozas — MX$180 Adults + Mandatory MX$30/MX$60 Guide, Online Reservation 24 h–60 Days Ahead, Closed Tuesdays

"2026 rules: reserve a timed entry online 24 h–60 days ahead, pay at the gate (MX$180 adults + mandatory MX$30 Spanish / MX$60 English guide), closed Tuesdays." (Item 36)"

Investigation summary

Verified in full in our 2026 Xilitla dossier by direct fetches of the official Las Pozas site (Spanish and English versions): adults $180 MXN (seniors/kids 6–12 $120), mandatory guide $30 MXN Spanish / $60 MXN other language, reservation window "de 24 hrs a 60 días de anticipación" with payment exclusively at the physical box office, and closure every Tuesday for conservation (open Wed–Mon 9 AM–6 PM, last entry 4 PM).

Sources (2)

Confidence: High— Direct primary-source verification on record for every figure.

True

Claim 11: Sótano de las Golondrinas — 512 m Deep, 376 m Free-Fall, ~586 Steps to the Rim

"A 512-m-deep vertical cave (376 m of sheer free-fall) near Tamapatz... Expect a ~15-minute walk plus roughly 586 steps down to the rim viewpoints." (Item 38)"

Investigation summary

Verified in our Huasteca itinerary dossier: 512 m total depth with ~376 m of free-fall is the figure used by Wikipedia ES and regional tourism/news sources, and the ~586-step descent matches the majority of sources (one aggregator cites 686, likely a different trailhead/viewpoint). The post's "roughly" hedging is appropriate to that minor variance.

Sources (2)

Confidence: High— Depth from encyclopedic and journalistic sources; step count within acceptable documented variance.

True

Claim 12: FENAPO 2026 — August 7–30, 21 Free Foro Concerts, Katy Perry Aug 25, Mötley Crüe Aug 8

"The Feria Nacional Potosina runs August 7–30, 2026 at the Recinto Ferial, with 21 free Foro de las Estrellas concerts — Katy Perry (Aug 25) and Mötley Crüe (Aug 8) headline this year — plus ticketed palenque nights." (Item 39)"

Investigation summary

Fully verified in our FENAPO 2026 dossier (dates, the 21-date Foro list matched artist-for-artist against Infobae's official-list article, free first-come access, and the 14 ticketed palenque nights), and spot-checked against the official state portal on July 3, 2026: fenapo.slp.gob.mx currently shows the event calendar spanning August 7–30, 2026 with Katy Perry listed on "25 ago."

Sources (3)

Confidence: High— Government primary source spot-checked this week, plus a date-by-date verified dossier.

View full original report

Fact-Check Investigation Report: 50 Things to Do in San Luis Potosí (2026 Local's Guide)

**Source Analyzed:** https://www.sanluisway.com/blog/things-to-do-san-luis-potosi-2026

**Verification Date:** July 3, 2026

**Investigation Conducted By:** San Luis Way Fact-Check Team using AI-powered research agents

EXECUTIVE SUMMARY

**Total Claims Analyzed** | 12

Verified TRUE | 8 PARTIALLY TRUE | 4 Verified FALSE | 0 UNVERIFIABLE | 0 OUTDATED | 0

**Overall Reliability Score:** 8.2/10

**Confidence Level:** High — This is a 50-item hub post; the 12 most consequential, falsifiable claims were selected for verification (museum prices/hours, Teatro de la Paz history, tranvía pricing, Tangamanga figures, Cathedral dates, UNESCO inscription, Las Pozas rules, Golondrinas depth, FENAPO dates). Eight claims verified exactly against primary sources fetched live on July 3, 2026, or against our own recent fact-check dossiers whose primary sources were spot-checked and still hold. Four claims are PARTIALLY TRUE: the Museo Nacional de la Máscara hours no longer match the museum's own published schedule, the Museo Federico Silva address in the post is wrong (the prices are exact), the Teatro de la Paz inauguration date of December 4, 1894 is contradicted by the preponderance of sources (which say November 4), and the tranvía price band understates the operator's current published fare.

DETAILED FINDINGS

CLAIM 1: Museo Leonora Carrington — MX$55, Free Wednesdays, 10 AM–6 PM, Ticket Includes Centro de las Artes

**CLAIM:** "General admission is MX$55 (July 2026) and includes the Centro de las Artes; Wednesdays are free, Tue–Sun 10 AM–6 PM." (Item 8; also repeated in the intro and FAQ. Opening date March 22, 2018 inside the former penitentiary.)

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** Every hard number verified exactly against the museum's own website, fetched live on July 3, 2026: general admission $55.00 "incluye acceso al CEARTSLP," free admission all Wednesdays (with extended Wednesday hours to 8 PM), core hours 10:00–18:00 (last entry 5:15 PM). The one soft spot is the day range: the SIC Cultura government registry (updated April 29, 2026) says "Martes a domingo," matching the post, while the museum's own /visita and /boletaje pages currently say "lunes a domingo." The March 22, 2018 opening date and penitentiary history were verified in our earlier Carrington dossier.

**EVIDENCE CHAIN:**

  • **Primary Source:** [leonoracarringtonmuseo.org/visita](https://www.leonoracarringtonmuseo.org/visita) (fetched July 3, 2026) — "General: $55.00 (incluye acceso al CEARTSLP)"; students/teachers $27.50; free under-10 and 60+; "Entrada gratuita todos los miércoles"; "10.00 a 18.00 h (último acceso 17.15 h)"
  • **Corroborating Source 1:** [SIC Cultura — Museo Leonora Carrington (ficha 1799)](https://sic.cultura.gob.mx/ficha.php?table=museo&table_id=1799) (record updated April 29, 2026) — "Martes a domingo de 10:00 a 18:00 h," general $55, free Wednesdays 10:00–20:00
  • **Corroborating Source 2:** [leonoracarringtonmuseo.org/boletaje](https://www.leonoracarringtonmuseo.org/boletaje) — hours 10:00–18:00, last access 5:15 PM
  • **Prior Dossier:** [/factchecks/leonora-carrington-san-luis-potosi-museo-centro-artes-surrealism.md](/factchecks/leonora-carrington-san-luis-potosi-museo-centro-artes-surrealism.md) — opening date March 22, 2018 verified TRUE against the museum's historia page and Wikipedia

**DETAILED ANALYSIS:** Price, free day, hours, and the CEARTSLP-inclusion detail are exact matches to the primary source. The only live discrepancy is Monday: the museum's own site says open "lunes a domingo" while the April 2026 government registry says "martes a domingo" (the post follows the registry). This conflict does not make the post wrong — at worst it understates opening days by one, which errs in the visitor-safe direction — but a future update should confirm whether the museum has genuinely gone seven-day.

**CONFIDENCE:** High on price, free Wednesdays, and hours (exact primary-source match); Medium on the Tue-vs-Mon day range (live conflict between the museum's site and the government registry).

CLAIM 2: Museo Nacional de la Máscara — MX$20 General, MX$10 Students/Kids/INAPAM, Hours ~10 AM–6 PM Tue–Fri

**CLAIM:** "Entry is MX$20 general, MX$10 students/kids/INAPAM (verified July 2026); hours vary by day, roughly 10 AM–6 PM Tue–Fri with shorter Mon and weekend schedules." (Item 10)

**VERDICT:** ⚠️ PARTIALLY TRUE

**INVESTIGATION SUMMARY:** The prices are exactly right: the museum's own website, fetched July 3, 2026, lists "General: $20 / Estudiantes e INAPAM: $10." The hours description is not: the museum's own site and the SIC Cultura registry (updated May 2026) both now publish a *longer* schedule — Monday to Saturday 10 AM–9 PM, Sunday 11 AM–7 PM — the opposite of the post's "shorter Mon and weekend schedules." The post's hedged schedule matches an older cultura.gob.mx listing that appears superseded.

**EVIDENCE CHAIN:**

  • **Primary Source:** [museonacionaldelamascaraslp.com.mx](https://museonacionaldelamascaraslp.com.mx/) (fetched July 3, 2026) — "General: $20," "Estudiantes e INAPAM: $10"; "Lunes a Sábado 10:00 am – 9:00 pm / Domingo 11:00 am – 7:00 pm"
  • **Corroborating Source 1:** [SIC Cultura — Museo Nacional de la Máscara (ficha 887)](https://sic.cultura.gob.mx/ficha.php?table=museo&table_id=887) (updated May 2026) — "Lunes a sábado de 10 a 21 h, domingo de 11 a 19 h"
  • **Counter-Evidence (older listing the post appears to follow):** [cultura.gob.mx — turismo cultural, recinto 66051](https://www.cultura.gob.mx/estados/turismo-cultural-detalle.php?id=66051) — "martes a viernes 10:00–18:00, sábado 10:00–17:00, lunes y domingo 10:00–15:00"

**DETAILED ANALYSIS:** The price claim — the item most likely to affect a visitor's wallet — is verified exactly, and the post's caveat about kids is a reasonable reading of the discount tier. But the hours sentence points readers in the wrong direction: two current sources (the museum's own site and the May-2026 SIC record) agree on late evening hours seven days a week, while the post describes an older, shorter Tue–Fri-centric schedule. Note that a 9 PM museum closing is unusual, and a third government listing still carries the old schedule, so calling ahead (444 812 3025) remains sensible — but the post should be updated to the current published schedule.

**CONFIDENCE:** High on prices (exact primary-source match); High that the stated hours no longer match the museum's current published schedule.

CLAIM 3: Museo Federico Silva — MX$30, Free Sundays, Closed Tuesdays, "Plaza San Francisco's Edge (Álvaro Obregón 4)"

**CLAIM:** "A museum devoted to contemporary sculpture — rare in Latin America — in a landmark building on Plaza San Francisco's edge (Álvaro Obregón 4). MX$30 general, free on Sundays, closed Tuesdays (verified July 2026)." (Item 11)

**VERDICT:** ⚠️ PARTIALLY TRUE

**INVESTIGATION SUMMARY:** Price and schedule verify exactly: MX$30 general (MX$15 teachers/students/kids/INAPAM/disability), free Sundays, closed Tuesdays, Mon–Sat 10–18 and Sun 10–14. The address is wrong: every authoritative source places the museum at Álvaro Obregón **80**, facing the **Jardín de San Juan de Dios** — not "Álvaro Obregón 4" on "Plaza San Francisco's edge." The building is the former Hospital de San Juan de Dios site (later Escuela Modelo), several blocks west of Plaza San Francisco.

**EVIDENCE CHAIN:**

  • **Primary Source:** [SIC Cultura — Museo Federico Silva (ficha 522)](https://sic.cultura.gob.mx/ficha.php?table=museo&table_id=522) (fetched July 3, 2026) — "Álvaro Obregón 80, Jardín de San Juan de Dios, Centro Histórico"; "Entrada general: $30"; "Domingos: entrada libre"; "Martes, cerrado"; "Lunes a sábado de 10:00 a 18:00 h, domingo de 10:00 a 14:00 h"
  • **Corroborating Source 1:** [museofedericosilva.org](https://www.museofedericosilva.org/) — official museum site (pricing/hours mirrored across its listings)
  • **Corroborating Source 2:** [cultura.slp.gob.mx — Museo Federico Silva](https://cultura.slp.gob.mx/lugares/museo-federico-silva/) and [sanluis.capital](https://sanluis.capital/museo-federico-silva/) — Álvaro Obregón 80, Jardín de San Juan de Dios; same prices and schedule

**DETAILED ANALYSIS:** The three falsifiable visitor-facing facts we prioritized (price, free day, closure day) all check out against the government registry and the museum's own materials. The location error is real and should be corrected: "Álvaro Obregón 4" does not appear in any source consulted, and the museum faces the Jardín de San Juan de Dios, not Plaza San Francisco. It will not strand a visitor badly (both are in the walkable Centro), but it is exactly the kind of detail a "verified" list should not miss.

**CONFIDENCE:** High — prices/schedule exact; the address error is confirmed by three independent sources.

CLAIM 4: Teatro de la Paz — Built 1889–1894 by José Noriega, Inaugurated December 4, 1894 with Lucrezia Borgia, Dome Fabricated in Paris

**CLAIM:** "Built 1889–1894 under the Porfiriato by architect José Noriega and inaugurated on December 4, 1894 with Donizetti's Lucrezia Borgia, its dome was fabricated in Paris." (Item 4)

**VERDICT:** ⚠️ PARTIALLY TRUE

**INVESTIGATION SUMMARY:** Four of five components verify solidly: construction 1889–1894 (begun September 16, 1889), architect José Noriega, inaugural opera Lucrezia Borgia by Donizetti, and the Paris-fabricated dome ("Su cúpula fue mandada y hecha desde París, Francia a petición del presidente Porfirio Díaz"). The exact inauguration date is contested — and the weight of evidence is against the post. The state tourism site (the post's source) says December 4, 1894, but Wikipedia ES, Cronologías San Luis Potosí (which ties the opening to a Congreso Médico Nacional), and El Universal SLP's 131st-anniversary article all say **November 4, 1894**.

**EVIDENCE CHAIN:**

  • **Primary Source:** [Turismo SLP — Teatro de la Paz](https://turismo.slp.gob.mx/lugares/teatro-de-la-paz/) — "Fue construido durante el porfiriato entre 1889 y 1894... por el arquitecto José Noriega... se inauguró el 4 de diciembre de 1894... Su primera representación fue Lucrezia Borgia, ópera de Gaetano Donizetti"
  • **Counter-Evidence 1:** [Wikipedia ES — Teatro de la Paz (San Luis Potosí)](https://es.wikipedia.org/wiki/Teatro_de_la_Paz_(San_Luis_Potos%C3%AD)) — inaugurated November 4, 1894; "Su cúpula fue mandada y hecha desde París, Francia a petición del presidente Porfirio Díaz"
  • **Counter-Evidence 2:** [Cronologías San Luis Potosí — 1889 Teatro de la Paz](http://cronologiassanluispotosi.com/1889-teatro-de-la-paz.html) — "Se inauguró con motivo de la celebración de un Congreso Médico Nacional, el 4 de noviembre de 1894"; construction began September 16, 1889
  • **Counter-Evidence 3:** [El Universal SLP — Teatro de la Paz: 131 años de historia](https://sanluis.eluniversal.com.mx/mas-de-san-luis/teatro-de-la-paz-131-anos-de-historia-arte-y-tradicion-en-san-luis-potosi/) — anniversary pegged to November 4; "Su cúpula, mandada a fabricar en París —a petición del presidente Porfirio Díaz—"; "Construido entre 1889 y 1894... diseñado por el arquitecto José Noriega"

**DETAILED ANALYSIS:** The post relied on the official state tourism page, which is a defensible source — but it stands alone on December 4. Three independent sources, including one that anchors the date to a specific historical event (the National Medical Congress), converge on November 4, 1894. The most likely explanation is a transposition error on the turismo.slp.gob.mx page that the post inherited. The Paris dome claim, which sounded like the riskiest element, is in fact well-attested by both Wikipedia ES and El Universal SLP, including the Porfirio Díaz commissioning detail. Recommended correction: change "December 4, 1894" to "November 4, 1894" (or "in 1894" if avoiding the dispute).

**CONFIDENCE:** High on construction years, architect, opera, and dome; Medium-High that the December 4 date is wrong (3 independent sources vs. 1, with the majority citing corroborating context).

CLAIM 5: Tourist Tranvía — ~1-Hour Loop, Every ~30 Minutes from Jardín de San Juan de Dios, Two Operators, Prices Roughly MX$50–120

**CLAIM:** "A ~1-hour panoramic loop past the Cathedral, San Agustín, San Miguelito and the Calzada, departing every ~30 minutes from beside the Jardín de San Juan de Dios. Two operators run the route and published prices vary (roughly MX$50–120) — confirm when boarding." (Item 5)

**VERDICT:** ⚠️ PARTIALLY TRUE

**INVESTIGATION SUMMARY:** The logistics all verify: ~1-hour narrated loop, departures from beside the Jardín de San Juan de Dios (Hotel Nápoles side), frequency every 25–30 minutes, and two operators (Tranvía San Luis Rey and a Grupo Senda tram). The price band does not hold up: the city tourism portal currently publishes MX$120 adults / MX$100 children-INAPAM, and the San Luis Rey operator's own website now lists MX$150 adults / MX$100 children-INAPAM — above the post's MX$120 ceiling. The MX$50 lower bound traces to an old Time Out piece and no longer reflects any current adult fare.

**EVIDENCE CHAIN:**

  • **Primary Source:** [tranviasanluisrey.com](https://www.tranviasanluisrey.com/) (fetched July 3, 2026) — "Iniciamos en JARDIN DE SAN JUAN DE DIOS"; adults $150, children/INAPAM $100; "salidas cada 25 minutos," 10:00 AM–7:30 PM daily
  • **Corroborating Source 1:** [sanluis.capital — Recorrido Panorámico en Tranvía](https://sanluis.capital/recorrido-panoramico-en-tranvia/) (municipal tourism) — "$120 Adultos, $100 Niños e INAPAM, menores de 6 gratis"; "Jardín de San Juan de Dios y Calle de los Bravo"; "salidas cada 30 minutos"; duration 1 hr
  • **Corroborating Source 2 (two operators):** [ZonaTurística — Tour por la Ciudad en Tranvía](https://www.zonaturistica.com/que-hacer-en/san-luis-potosi/san-luis-potosi/tour-por-la-ciudad-en-tranvia) — names Tranvía San Luis Rey and the Grupo Senda tram
  • **Counter-Evidence (source of the stale low end):** [Time Out México — Tranvía Turístico de San Luis Potosí](https://www.timeoutmexico.mx/ciudad-de-mexico/que-hacer/tranvia-turistico-de-san-luis-potosi) — 50 pesos adults / 35 children (older coverage, departing Plaza de Armas)

**DETAILED ANALYSIS:** The post's hedge ("published prices vary — confirm when boarding") was the right instinct, and its route, departure point, duration and frequency all match the operator's current page. But the stated band is anchored to stale data at both ends: no current source supports MX$50 for an adult, and the main operator's own published adult fare (MX$150) exceeds the band's top. A corrected band for July 2026 is **MX$100–150** (children/INAPAM MX$100, adults MX$120–150 depending on where the fare is published). The MX$120 vs MX$150 gap between the city portal and the operator's site is itself unresolved — the operator's own site should be treated as controlling.

**CONFIDENCE:** High on logistics; High that the published price band needs updating to MX$100–150.

CLAIM 6: Catedral Metropolitana — Built 1670–1730, Became a Cathedral in 1854

**CLAIM:** "The Catedral Metropolitana de San Luis Rey was built between 1670 and 1730 in Mexican Baroque and only became a cathedral in 1854." (Item 2)

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** Construction 1670–1730 and the 1854 elevation to cathedral status are the consensus figures across encyclopedic and architectural sources: begun 1670 on the site of the 1593 parish church, completed 1730 as one of the city's first Baroque constructions, and consecrated as a cathedral in August 1854 under Pius IX when the Diocese of San Luis Potosí was erected.

**EVIDENCE CHAIN:**

  • **Primary Source:** [Wikipedia ES — Catedral metropolitana de San Luis Potosí](https://es.wikipedia.org/wiki/Catedral_metropolitana_de_San_Luis_Potos%C3%AD) — construction 1670–1730; consecrated as cathedral August 1854
  • **Corroborating Source 1:** [Urbipedia — Catedral de San Luis Potosí](https://www.urbipedia.org/hoja/Catedral_de_San_Luis_Potos%C3%AD) — same construction window; Solomonic Baroque facade
  • **Corroborating Source 2:** [Wikipedia EN — San Luis Potosí Cathedral](https://en.wikipedia.org/wiki/San_Luis_Potos%C3%AD_Cathedral) — 1670–1730, cathedral status 1854 (Pius IX)

**DETAILED ANALYSIS:** The post's phrasing "only became a cathedral in 1854" correctly captures that the building spent its first ~124 years as a parish church. Later modifications (1896 interior decoration, second tower added for the 1910 independence centennial) are consistent with — not contradictory to — the post's dates.

**CONFIDENCE:** High — Multiple independent encyclopedic sources agree on both dates.

CLAIM 7: UNESCO Inscribed the Centro in 2010 as Part of the Camino Real de Tierra Adentro

**CLAIM:** "…a colonial core that UNESCO inscribed in 2010 as part of the Camino Real de Tierra Adentro World Heritage route." (Item 1; repeated in FAQ)

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** Previously verified against UNESCO's primary database (list entry 1351, inscribed August 1, 2010) in our San Luis Potosí vs San Miguel de Allende dossier; spot-checked July 3, 2026. The UNESCO page itself returned a 403 to automated fetching this session, but the inscription record was re-confirmed via Wikipedia's sourced entry, which lists component site 1351-039 as the "Historic center of San Luis Potosí."

**EVIDENCE CHAIN:**

  • **Primary Source:** [UNESCO WHC — Camino Real de Tierra Adentro (1351)](https://whc.unesco.org/en/list/1351/) — inscribed August 1, 2010 (verified directly in our March 2026 dossier)
  • **Corroborating Source 1:** [Wikipedia — Camino Real de Tierra Adentro](https://en.wikipedia.org/wiki/Camino_Real_de_Tierra_Adentro) (spot-checked July 3, 2026) — "On August 1, 2010, UNESCO designated this road as a World Heritage Site"; component "1351-039: Historic center of San Luis Potosí"
  • **Prior Dossier:** [/factchecks/san-luis-potosi-vs-san-miguel-allende-expats-2026.md](/factchecks/san-luis-potosi-vs-san-miguel-allende-expats-2026.md) — Claim 4, verified TRUE against UNESCO's primary database

**DETAILED ANALYSIS:** The post is careful to say the core was inscribed "as part of" the Camino Real serial property rather than as a standalone World Heritage city — the correct framing, and one many competing travel articles get wrong. The 2010 year and the inclusion of the historic center as a named component are both confirmed.

**CONFIDENCE:** High — Primary-source verification on record, corroborated on spot-check.

CLAIM 8: Parque Tangamanga I — 411 ha, Mexico's Second-Largest Urban Park, Bigger Than Central Park (340 ha), Free, Night Hours to 10:30 PM Tue–Sat

**CLAIM:** "At 411 hectares it's Mexico's second-largest urban park — bigger than New York's Central Park (340 ha) — and entry is free, with night hours to 10:30 PM Tuesday–Saturday." (Item 23; 411 ha repeated in FAQ)

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** All four components were verified in our April 2026 best-parks dossier against the official operator (CECURT) and regional press, and the sources still hold: 411 ha (legal cadastre 411-40-00 ha), second-largest urban park in Mexico behind Chapultepec, free general entry, and the Tue–Sat schedule of 5:00 AM–10:30 PM. Central Park's 843 acres converts to ~341 ha, so "bigger than Central Park (340 ha)" is arithmetically sound.

**EVIDENCE CHAIN:**

  • **Primary Source:** [CECURT — Parque Tangamanga I](https://cecurt.slp.gob.mx/lugares/parque-tangamanga-1/) — official operator; cadastre 411-40-00 ha; free entry
  • **Corroborating Source 1:** [Wikipedia — Parque Tangamanga](https://en.wikipedia.org/wiki/Parque_Tangamanga) — 411 ha (~1,020 acres); second-largest urban park in Mexico
  • **Corroborating Source 2:** [Pulso SLP — nuevos horarios del Tangamanga I](https://pulsoslp.com.mx/slp/anuncian-nuevos-horarios-del-tangamanga-uno-habra-cinco-dias-con-horario-nocturno/1450132) — Tue–Sat 5:00 AM–10:30 PM night schedule
  • **Prior Dossier:** [/factchecks/best-parks-for-kids-san-luis-potosi.md](/factchecks/best-parks-for-kids-san-luis-potosi.md) — Claims 1, 2, 5 and 7, all verified

**DETAILED ANALYSIS:** The post wisely drops the more contested "largest true urban park" framing (flagged as editorial in our prior dossier) and sticks to the defensible "second-largest" claim. One nuance carried over from the dossier: CECURT's prose mentions "420 hectáreas" while its legal cadastre and Wikipedia use 411 ha; 411 remains the predominant published figure.

**CONFIDENCE:** High — Official operator, encyclopedia and regional press aligned; pre-verified and spot-checked.

CLAIM 9: Tangamanga Family Attractions — Free Zoo Tue–Sun 9 AM–5 PM; Museo Laberinto MX$50 (Kids 4–5 MX$40)

**CLAIM:** "The park's wildlife unit houses rescued species and charges nothing — open Tuesday–Sunday, 9 AM–5 PM (verified 2026)" (Item 24) and "The hands-on science museum inside Tangamanga I charges MX$50 general and MX$40 for kids 4–5 (verified 2026)" (Item 44; both repeated in FAQ).

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** Both figures come directly out of corrections applied during our April 2026 best-parks investigation — i.e., they were the *fixed* versions of two errors we caught then. The zoo (UMA) schedule of Tuesday–Sunday 9:00 AM–5:00 PM matches El Universal SLP's dedicated coverage, and Museo Laberinto's MX$50 general / MX$40 (kids 4–5) admission was confirmed at the same time, correcting an earlier claim that Laberinto was free.

**EVIDENCE CHAIN:**

  • **Primary Source:** [El Universal SLP — Zoológico del Parque Tangamanga, especies rescatadas](https://sanluis.eluniversal.com.mx/mas-de-san-luis/zoologico-del-parque-tangamanga-de-slp-conoce-sus-especies-rescatadas/) — UMA open Tue–Sun 9 AM–5 PM, free
  • **Corroborating Source 1:** Museo Laberinto published admission — $50 MXN general, $40 MXN children 4–5 (verified April 2026)
  • **Prior Dossier:** [/factchecks/best-parks-for-kids-san-luis-potosi.md](/factchecks/best-parks-for-kids-san-luis-potosi.md) — corrections log items 1–2 and Claims 6–7

**DETAILED ANALYSIS:** This post inherits the corrected figures rather than the original errors — the zoo opening at 9 AM (not 10 AM) and Laberinto being paid (not free) — which is the fact-check pipeline working as intended. The "(verified 2026)" tags in the post are accurate as to April 2026; no source found in this session contradicts either figure as of July 2026.

**CONFIDENCE:** High — Primary press source plus museum-published pricing, pre-verified with corrections applied.

CLAIM 10: Las Pozas — MX$180 Adults + Mandatory MX$30/MX$60 Guide, Online Reservation 24 h–60 Days Ahead, Closed Tuesdays

**CLAIM:** "2026 rules: reserve a timed entry online 24 h–60 days ahead, pay at the gate (MX$180 adults + mandatory MX$30 Spanish / MX$60 English guide), closed Tuesdays." (Item 36)

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** Verified in full in our 2026 Xilitla dossier by direct fetches of the official Las Pozas site (Spanish and English versions): adults $180 MXN (seniors/kids 6–12 $120), mandatory guide $30 MXN Spanish / $60 MXN other language, reservation window "de 24 hrs a 60 días de anticipación" with payment exclusively at the physical box office, and closure every Tuesday for conservation (open Wed–Mon 9 AM–6 PM, last entry 4 PM).

**EVIDENCE CHAIN:**

  • **Primary Source:** [laspozasxilitla.org.mx](https://laspozasxilitla.org.mx/) — prices, no-online-payment policy, reservation window
  • **Primary Source:** [en.laspozasxilitla.org.mx/tickets](https://en.laspozasxilitla.org.mx/tickets/) — guide-fee split $30 Spanish / $60 other language
  • **Corroborating Source:** Official Las Pozas Facebook — "reserva tus accesos... de 24 hrs a 60 días de anticipación"
  • **Prior Dossier:** [/factchecks/xilitla-las-pozas-guide-2026.md](/factchecks/xilitla-las-pozas-guide-2026.md) — Claims 6, 7 and 8, all verified TRUE against live official pages

**DETAILED ANALYSIS:** Every element of this compressed summary matches the official site as verified this year. The prior dossier notes one enhancement opportunity the post doesn't use: a discounted advance-reservation rate (~$170 adults) exists for tickets booked online ahead — an addition, not a contradiction. The two-decade construction framing after the 1962 frost is consistent with the Edward James history verified in the same dossier.

**CONFIDENCE:** High — Direct primary-source verification on record for every figure.

CLAIM 11: Sótano de las Golondrinas — 512 m Deep, 376 m Free-Fall, ~586 Steps to the Rim

**CLAIM:** "A 512-m-deep vertical cave (376 m of sheer free-fall) near Tamapatz... Expect a ~15-minute walk plus roughly 586 steps down to the rim viewpoints." (Item 38)

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** Verified in our Huasteca itinerary dossier: 512 m total depth with ~376 m of free-fall is the figure used by Wikipedia ES and regional tourism/news sources, and the ~586-step descent matches the majority of sources (one aggregator cites 686, likely a different trailhead/viewpoint). The post's "roughly" hedging is appropriate to that minor variance.

**EVIDENCE CHAIN:**

  • **Primary Source:** [Wikipedia ES — Sótano de las Golondrinas](https://es.wikipedia.org/wiki/S%C3%B3tano_de_las_Golondrinas) — 512 m depth, 376 m free-fall
  • **Corroborating Source 1:** [El Sol de San Luis — monumento natural en la Huasteca](https://oem.com.mx/elsoldesanluis/local/el-sotano-de-las-golondrinas-un-monumento-natural-en-la-huasteca-potosina-24473247) — 512 m depth, step descent near Tamapatz, Aquismón
  • **Counter-Evidence:** elviajerofeliz.com aggregation cites 686 steps
  • **Prior Dossier:** [/factchecks/huasteca-potosina-itinerary-2026.md](/factchecks/huasteca-potosina-itinerary-2026.md) — Claim 4, verified TRUE

**DETAILED ANALYSIS:** The depth figures are uncontested across sources. The step-count variance (586 vs 686) likely reflects different named viewpoints around the sinkhole; the post's "roughly 586" phrasing absorbs it. Dawn/dusk bird-flight behavior is standard, widely documented natural history.

**CONFIDENCE:** High — Depth from encyclopedic and journalistic sources; step count within acceptable documented variance.

CLAIM 12: FENAPO 2026 — August 7–30, 21 Free Foro Concerts, Katy Perry Aug 25, Mötley Crüe Aug 8

**CLAIM:** "The Feria Nacional Potosina runs August 7–30, 2026 at the Recinto Ferial, with 21 free Foro de las Estrellas concerts — Katy Perry (Aug 25) and Mötley Crüe (Aug 8) headline this year — plus ticketed palenque nights." (Item 39)

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** Fully verified in our FENAPO 2026 dossier (dates, the 21-date Foro list matched artist-for-artist against Infobae's official-list article, free first-come access, and the 14 ticketed palenque nights), and spot-checked against the official state portal on July 3, 2026: fenapo.slp.gob.mx currently shows the event calendar spanning August 7–30, 2026 with Katy Perry listed on "25 ago."

**EVIDENCE CHAIN:**

  • **Primary Source:** [fenapo.slp.gob.mx](https://fenapo.slp.gob.mx/) (spot-checked July 3, 2026) — events August 7–30, 2026; Katy Perry on Aug 25
  • **Corroborating Source 1:** [Infobae — lista oficial de conciertos gratuitos en el Foro de las Estrellas](https://www.infobae.com/mexico/2026/05/27/fenapo-2026-lista-oficial-de-conciertos-gratuitos-en-el-teatro-del-pueblo/) — full 21-date list including Mötley Crüe Aug 8
  • **Corroborating Source 2:** [Milenio — FENAPO 2026 cartelera completa](https://www.milenio.com/espectaculos/musica/fenapo-2026-katy-perry-motley-crue-y-mas-cartelera-completa)
  • **Prior Dossier:** [/factchecks/fenapo-2026-artistas-cartel-completo.md](/factchecks/fenapo-2026-artistas-cartel-completo.md) — Claims 1, 2, 3 and 5, verified TRUE (score 8.7/10)

**DETAILED ANALYSIS:** The "21 free concerts" figure survived the dossier's scrutiny of a competing "22 nights" figure circulating in aggregators (an aggregation artifact — the dedicated official list contains exactly 21 dates). Standard caveat: festival lineups can change between July and August; the linked lineup post is the mechanism for keeping this current.

**CONFIDENCE:** High — Government primary source spot-checked this week, plus a date-by-date verified dossier.

PATTERN ANALYSIS

ACCURACY PATTERNS

The post's strongest material is everything inherited from previously fact-checked dossiers (Tangamanga, Las Pozas, Golondrinas, FENAPO, UNESCO, Carrington opening) — all eight of those claims re-verified cleanly, including two figures that were themselves corrections from earlier investigations. All four PARTIALLY TRUE verdicts fall in the *newly researched* material added for this post: the Máscara museum's hours, the Federico Silva address, the Teatro de la Paz inauguration day, and the tranvía price band. Notably, prices proved more reliable than peripheral details: every peso figure checked ($55, $20, $30, $50/$40, $180+$30/$60, free entries) verified exactly against primary sources — the errors cluster in hours, street addresses, and an inherited date typo.

BIAS INDICATORS

Low. The post hedges appropriately where data is soft ("published prices vary," "confirm when boarding," "roughly," "consulta horarios actuales") and avoids traps flagged during drafting (no huapango-UNESCO claim, vague "mid-1950s" for the contested Procesión founding year). The Teatro de la Paz date error is source-inheritance from an official government page, not invention. The tranvía band, however, leaned on stale low-end data in a way that makes the activity look cheaper than it currently is — the one instance where imprecision flatters the destination.

SOURCING QUALITY

Good: the post carries an explicit Sources section naming its primary sources with dates, and its bundled prices trace to official museum/operator sites. Two lessons: (1) official state tourism pages (turismo.slp.gob.mx) can carry errors that independent triangulation catches — one government source is not enough for an exact date; (2) museum schedules in SLP are volatile in 2026 (Máscara moved to evening hours; Carrington's own site now says open Mondays), so hour claims need re-verification more often than price claims.

METHODOLOGY NOTES

SEARCHES CONDUCTED

  • Museo Leonora Carrington admission, free Wednesdays and hours (official /visita and /boletaje pages, SIC Cultura ficha 1799)
  • Museo Nacional de la Máscara prices and current schedule (official site, SIC ficha 887, cultura.gob.mx legacy listing)
  • Museo Federico Silva prices, free Sundays, Tuesday closure and address (SIC ficha 522, cultura.slp.gob.mx, sanluis.capital, official site)
  • Teatro de la Paz construction, architect, inauguration date and Paris dome (turismo.slp.gob.mx, Wikipedia ES, Cronologías SLP, El Universal SLP)
  • Tranvía turístico operators, departure point, frequency and fares (tranviasanluisrey.com, sanluis.capital, ZonaTurística, Time Out México)
  • Catedral de San Luis Potosí construction window and 1854 cathedral status (Wikipedia ES/EN, Urbipedia)
  • Camino Real de Tierra Adentro 2010 inscription and component 1351-039 (UNESCO list 1351 via prior dossier; Wikipedia spot-check)
  • FENAPO 2026 official portal spot-check (dates, Katy Perry Aug 25)
  • Cross-reference of prior San Luis Way dossiers: best-parks (Tangamanga/zoo/Laberinto), xilitla-las-pozas, huasteca-potosina (Golondrinas), fenapo-2026, leonora-carrington, SLP-vs-SMA (UNESCO)

SOURCES CONSULTED

Tier 1 (Primary/official): leonoracarringtonmuseo.org, museonacionaldelamascaraslp.com.mx, museofedericosilva.org, tranviasanluisrey.com, laspozasxilitla.org.mx, fenapo.slp.gob.mx, CECURT, UNESCO WHC — 8+ sources Tier 2 (Institutional/government): SIC Cultura (3 fichas), turismo.slp.gob.mx, cultura.slp.gob.mx, cultura.gob.mx, sanluis.capital — 7 sources Tier 4 (Established media): El Universal SLP, El Sol de San Luis, Infobae, Milenio, Pulso SLP, Time Out México — 6 sources Tier 5 (Reference/encyclopedic): Wikipedia ES/EN, Urbipedia, Cronologías San Luis Potosí, ZonaTurística — 5 sources

LIMITATIONS

  • This is a 50-item hub post; 12 high-consequence, falsifiable claims were verified. Softer editorial items (restaurant scenes, café culture, cantina hours) and claims that merely link to already-fact-checked San Luis Way guides were not re-litigated here.
  • The UNESCO WHC page returned HTTP 403 to automated fetching this session; the 2010 inscription rests on our March 2026 direct verification plus a sourced encyclopedia spot-check.
  • Museum schedules in SLP showed live source conflicts during this investigation (Carrington Mon-vs-Tue opening; Máscara evening hours confirmed by two sources but contradicted by one legacy government listing). Prices were stable across sources; hours were not.
  • Prices reflect figures published as of July 3, 2026 and change without notice; the post itself carries this caveat.

**VERIFICATION DATE:** July 3, 2026

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