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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Field Trip: Shoofly Oolites

May 7, 2023 @ 10:00 am - 3:00 pm

Field Trip: Shoofly Oolites

Join Steve Schaps for a field trip to the Shoofly Oolites, one of the largest outcrops of Oolites in North America—located 70 miles from Boise near Grand View. 10am-3pm,

STARTING POINT FOR TRIP: Please meet in the Albertson’s Shopping Center parking lot near McDonald’s Restaurant, 6574 S Federal Way, near the intersection of I-84 and Hwy 21 at 10 am.

We will car-caravan to our destination. Please carpool as much as possible. Paved roads the entire way. This event is sponsored by Idaho Museum of Mining and Geology, 2455 Old Penitentiary Rd. Nonmembers of the museum $20, Members $10. Children are free. Pre-registration is required at


If you would like to join the museum, please go to www.idahomuseum.org/membership.

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


May 7, 2023
10:00 am - 3:00 pm
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