We are located at

2455 Old Penitentiary Road

Boise, ID 83712 (Next to the Old Pen)

Current Hours

We hope to have Special Events this winter. Click "CALENDAR" below to see any upcoming events. Regular hours will resume in Spring 2022. Check this website for updates.

Free Admission!

Tours and other programs available.

Field Trips

Our all-day field trips offer a unique opportunity to explore geologic and mining history with local experts.

School Tours

Visit includes a tour of the museum and a hillside hike which explores the regional geology & history of the area.


Local experts offer enjoyable presentations on a variety of topics including geology and mining history.


It takes a lot of volunteer power to staff our museum and offer our programs. Get involved today!


Your donation will help us continue our mission of providing education, while maintaining FREE ADMISSION.

Become a Member

Join today and receive special benefits while investing in the museum’s mission and programs.


Special Events

Family friendly special events throughout the year.


Admission is ALWAYS FREE.


Rocks, minerals, fossils, books, maps, jewelry, puzzles, and MORE!