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.

Field Trips

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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 10am, meet in the Albertson’s parking lot on Federal Way at McDonald’s Restaurant. Sponsored by Idaho Museum of Mining and Geology, 2455 Old Penitentiary Rd. […]