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

September 10, 2023 @ 12:00 pm - 3:00 pm

Join us at the Idaho Museum of Mining and Geology, 2455 Old Penitentiary Rd, Boise 83712, for a fun time of geode-cracking, a short and easy geo-hike on the nearby hillside, and a walk-about with guides in the museum. Please arrive at geode-cracking at your assigned time. Geode-cracking takes place outside under shade canopies on grass of the historic Women’s Prison Courtyard.

A 35 minute, easy hillside geo-hike is scheduled for 1:00pm. Your guide will explain the geologic history of the Boise valley from Eagle Rock, an historic point on the hillside near the museum. Inside the museum you’ll be able to walk among interesting, historic and beautiful exhibits with docents nearby to answer questions and discuss displays.

All adults are required to pre-register and pay the entry fee. Each child must be preregistered and they are free. All children must be accompanied by an adult. Pre-register at https://www.eventbrite.com/e/dig-into-geodes-tickets-685140161667

If you have never cracked open a geode with a giant pipe-cutter, you are in for an exciting moment. What Mother Nature has created is truly amazing and inspiring. The cracking crew is led by Master Geode-cracker Truman Keith.

Please contact operations@idahomuseum.org if you have questions.


September 10, 2023
12:00 pm - 3:00 pm
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