Things to Do at Old Idaho Penitentiary
Complete Guide to Old Idaho Penitentiary in Boise
About Old Idaho Penitentiary
What to See & Do
Cell House 2 and Cell House 3
The oldest standing cellblocks, built in 1899 and 1899-1901, carry tiered iron catwalks and cells scarcely six feet wide. Sunlight slices through barred windows in long yellow bars across the floor. Step inside several cells - the bunks remain, springs sagging, walls tattooed with penciled countdowns to freedom.
Siberia (Solitary Confinement)
A grim line of windowless concrete cells punished infractions. Heavy steel doors carry a small slot at the bottom for food trays. Step inside and pull the door partway shut - silence drops like a curtain. You grasp at once why this ranked as the worst punishment short of the gallows.
The Gallows and Rose Garden
Ten men died here between 1901 and 1957, the last by hanging in a small wooden structure that still stands. Just steps away, the rose garden inmates tended near the women's ward erupts in pinks and deep reds from late May through July. The contrast jars. Oddly, it is the detail most visitors recall.
J. Curtis Earl Memorial Exhibit of Arms
An unexpectedly large weapons collection fills one old administrative building, spanning medieval crossbows to WWII-era firearms. It feels off-topic until you realize this is one of the better small arms museums in the Mountain West. Admission is bundled with your prison ticket.
The Yard and Guard Towers
The main exercise yard is smaller than imagined, ringed by the original sandstone wall. Climb the path toward Table Rock just outside the gate and look back. The geometry of cellblocks, corner guard towers, and the bluffs that doomed escape attempts spreads below.
Practical Information
Opening Hours
Open daily from noon to 5 PM most of the year, with summer hours stretching from 10 AM Memorial Day through Labor Day. Closed on Thanksgiving, Christmas, and New Year's Day. Last admission is usually 30 minutes before closing.
Tickets & Pricing
Admission is cheap - one of the least expensive historic site tickets around Boise, with discounts for seniors, students, and children. Kids under six enter free. Evening events like Frightened Felons tours in October and Paranormal Investigation nights cost extra and sell out weeks ahead.
Best Time to Visit
Spring and fall are your best windows. Sandstone cells turn brutal in July and August when daytime highs top 95°F. Winter visits mean trudging outdoor paths through snow. October draws Halloween crowds. Weekday mornings stay quietest.
Suggested Duration
Allow 90 minutes to two hours for a solid self-guided walk, longer if you join a docent tour or linger in the arms exhibit and Bishop's House. History lovers can burn half a day without effort.
Getting There
Things to Do Nearby
Right next door, sharing the same access road. The contrast between prison austerity and English-cottage plus meditation gardens is sharp. A combo ticket saves a few dollars.
The flat-topped bluff rises directly behind the penitentiary, trailhead minutes from the parking lot. The two-mile round trip climbs steeply but rewards with views of the Boise Front and the Treasure Valley rolling west.
A 25-mile riverside path starts just below the penitentiary. It works as a cool-down after the prison's heavy story - cottonwoods, fly fishermen, and the hush of moving water.
A restored Queen Anne-style home on the grounds, built in 1889 for the Episcopal bishop and later relocated here. Open during special events, it pairs well with the prison tour for architectural contrast.
Roll back toward downtown and you will glide through a ridge lined with late-1800s mansions. That real estate sits on a geothermal aquifer. The water still heats many homes. A slow cruise reveals who held cash in territorial Boise. Old money lingers in the gables.
Tips & Advice
Tours & Activities at Old Idaho Penitentiary
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