2455 Old Penitentiary Road

Boise, ID 83712 (Next to the Old Pen)

Current Hours

November Hours: Saturdays Only 1-4pm plus Santa's Rock Shop: Sunday Nov 12 12-4pm

Free Admission!

Tours and other programs available.

Special Events

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Today

Shoofly Oolites

Join Steve Schaps for a popular field trip to the Shoofly Oolites, one of the largest outcrops of Oolites in North America—located 70 miles from Boise near Grand View. At […]