Official Government Website

$1 Day

Thursday, December 14 marks the 49th anniversary of the Old Idaho Penitentiary operating as a historic site and museum open to the public! Admission is only $1 per person on December 14. Tickets available at the door. The site is open from 12:00 pm to 5:00 pm (last admission 4:00 pm) daily, with complimentary guided tours offered throughout the day!

The prison first housed incarcerated men in 1872 when it served the Idaho Territory. It became the Idaho State Penitentiary after Idaho’s statehood in 1890. 13,000 men and women called the penitentiary home at one time or another, including Idahoans as young as ten and eleven years old. Today their stories are told through a wide variety of special exhibits and preserved cell house structures that allow guests to experience mid-century life in a territorial prison.


Dec 14 2023


12:00 pm - 5:00 pm



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