Mexico · State of Mexico · Almoloya de Juárez
Data is aggregated from public sources and may be incomplete or out of date. Always verify with primary sources before acting on any figure. See data sources.
For families
Step-by-step guidance using the Mexico system — addresses, money services, visit booking, what to bring on your first visit.
Mexico's flagship maximum-security federal prison, often referred to as 'Altiplano'. Houses senior cartel leaders and other high-profile inmates.
Capacity
836
Current population
720
Occupancy
86%
Year opened
1991
Operational
Figures from official sources · verified 20 May 2026 · methodology
Population held
male
Opened
1991
Region
State of Mexico
Security level
Maximum
Death-row facility
No
Single-cell regime for high-security inmates. Recent reforms increased rotation and disciplinary controls following two cartel-leader escapes.
Highly restricted; family visits via the OADPRS approved-visitor list. Legal counsel arranged via the federal public defender system.
Mail screened by federal corrections.
Subject of multiple documentary investigations; transparency limited.
Joaquín 'El Chapo' Guzmán escaped Altiplano in July 2015 via a 1.5 km tunnel. Caro Quintero, others escaped via separate methods historically.
El Chapo Guzmán (re-captured 2016, extradited 2017), Rafael Caro Quintero (re-arrested 2022).
No public contact details available.
Derived signal — not a judgement. How it's calculated
What the score is responding to:
This facility scores 5. The national average across 629 scored Mexico facilities is 8 — 3 points below national average.
Same country, matched on type + security level where possible.
Higher risk than 0% of peer facilities in Mexico.
How many of our profile fields are populated. We surface this so families and researchers know the limits.
Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
World Prisons. (2026). Federal Social Readaptation Center No. 1 (Altiplano). Retrieved July 21, 2026, from https://worldprisons.com/prisons/altiplano
"Federal Social Readaptation Center No. 1 (Altiplano)." World Prisons. Accessed July 21, 2026. https://worldprisons.com/prisons/altiplano.
@misc{worldprisons-altiplano,
author = {{World Prisons}},
title = {Federal Social Readaptation Center No. 1 (Altiplano)},
year = {2026},
url = {https://worldprisons.com/prisons/altiplano},
urldate = {2026-07-21}
}