State Correctional Institution – Pittsburgh (historically known as the "Western Penitentiary" or "Western Pen") was a low-to-medium security correctional institution, operated by the Pennsylvania Department of Corrections, located about five miles west of Downtown Pittsburgh and within city limits. The facility is on the banks of the Ohio River, and is located on 21 acres of land. (12 acres within the perimeter fence.) It was the first prison west of the Atlantic Plain as well as a major Civil W