ADX Florence

The United States Penitentiary, Administrative Maximum Facility is an American federal prison that provides a higher level of custody than a maximum security prison. It is classed as a supermax or


The United States Penitentiary, Administrative Maximum Facility is an American federal prison that provides a higher level of custody than a maximum security prison. It is classed as a supermax or "control unit" prison, where the safety of inmates and staff is paramount. It is located in unincorporated Fremont County, Colorado, near Florence, and opened in 1994, and it is informally known as the "Alcatraz of the Rockies".
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