Federal Social Readaptation Center No. 1

19°25′14″N 99°44′55″W / 19.42056°N 99.74861°W / 19.42056; -99.74861

The Federal Social Readaptation Center No. 1 (Spanish: Centro Federal de Readaptación Social Número 1) is a maximum-security federal prison located in Almoloya de Juárez, Mexico. Commonly referred to as Altiplano, it is considered Mexico's principal maximum-security facility and has housed numerous high-profile inmates, including several of the country's most-wanted drug lords.