2455 Old Penitentiary Road

Boise, ID 83712 (Next to the Old Pen)

Current Hours

Spring re-opening March 8th. We will be open 12-5 on Fridays and Saturdays. See idahomuseum.org/events for what might be coming up.

Free Admission!

Tours and other programs available.

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Dig into Geodes

June 23 @ 10:00 am - 1:00 pm

Join us at the Idaho Museum of Mining and Geology, 2455 Old Penitentiary Rd, from 10am-1pm for a fun time cracking Geodes. If you have never cracked open a geode with a giant pipe-cutter, you are in for an exciting moment. This event will be set up on the grass in the courtyard of the Women’s Ward across from the museum. ¬†Because of the cost of geodes, the ticket prices have increased, approximately $5 per person for both kids and adults. Each child receives a small geode. Event-details will be posted by mid-May at www.idahomuseum.org/events. Pre-registration is required.¬† Contact operations@idahomuseum.org if questions.


June 23
10:00 am - 1:00 pm
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