Old Idaho Penitentiary

2445 Old Penitentiary Road
Boise, ID 83712
United States

Hours of Operation
Regular Hours Noon- 5:00 pm Last admission at 4:15 pm Earl Museum closes at 4:30 pm Lockup begins at 4:45 pm Doors close promptly at 5:00 pm Summer Hours- Memorial Day through Labor Day 10:00 am- 5:00 pm Last admission at 4:15 pm

The Old Idaho Penitentiary State Historic Site was a functional prison from 1872 to 1973 in the western United States. The first building, also known as the Territorial Prison, was constructed in the Territory of Idaho in 1870
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