2455 Old Penitentiary Road

Boise, ID 83712 (Next to the Old Pen)

Current Hours

Hours: 12-5 Friday & Saturday; Sundays 12:30-3:30.

Free Admission!

Tours and other programs available.

Special Events

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Gold Panning for All Ages

Idaho Museum of Mining and Geology 2455 Old Penitentiary Road, Boise, ID, United States

Join in us in panning for gold! The Idaho Museum of Mining and Geology (IMMG) 2455 Old Penitentiary Rd. will set up this event in the courtyard of the Women's Ward at the Old Pen. This Panning experience is provided by the outstanding Nampa Gold Prospectors. $5 for Adult nonmembers of the IMMG, $5 Kids, […]

$55

Bruneau Woodpile Geologic Field Trip

Idaho Museum of Mining and Geology 2455 Old Penitentiary Road, Boise, ID, United States

This geologic field trip will be to the famous “Bruneau Woodpile” and is centered on collecting petrified wood and other fossils without any digging. We'll be carpooling from the Albertsons Parking Lot (near McDonalds but not at McDonalds) at 6574 S Federal Way and Hwy 21 so meet at 9:45 AM. We will spend ~2 […]

$20

Critical Minerals and Rare Earth Elements

Idaho Museum of Mining and Geology 2455 Old Penitentiary Road, Boise, ID, United States

Dr. Terry Panhorst will help you better understand the terms “critical minerals” and “rare earth elements”. These terms are used frequently in the news media these days, but many are uncertain as to the precise meaning of the terms. Join us at 1pm at the Idaho Museum of Mining and Geology, 2455 Old Penitentiary Rd, […]

$5

Mineral Identification

Idaho Museum of Mining and Geology 2455 Old Penitentiary Road, Boise, ID, United States

Need help identifying rocks you’ve found or purchased? Coyote Short, Professional Geologist, can identify rocks, minerals, fossils and Native American artifacts. Bring in your specimens and she will help you identify them. Plus, you’ll learn steps to identifying rocks and minerals. 1pm, Idaho Museum of Mining and Geology, 2455 Old Penitentiary Rd, $5-General, Free for […]

$5

Bruneau Fossil Reef Field Trip

Bruneau, Idaho

Investigate the geology of Fossil Reef and Horse Hill with guide Barb Beatty. This area is 80 miles from Boise and has a lot of fossils, petrified wood, and Moqui Balls. We will meet in the Albertson’s Shopping Center parking lot at 9:45am, for a 10am departure, near McDonald’s Restaurant, 6574 S Federal Way. From […]

$20