2455 Old Penitentiary Road

Boise, ID 83712 (Next to the Old Pen)

Current Hours

Through the end of October, the museum is open from 1-3pm on SATURDAY only. COVID precautions are in place, including limited entry.

Free Admission!

Tours and other programs available.

Terry Panhorst

Terry is a retired professor of geology from the University of Mississippi and has become active at IMMG in taking Gift Shop shifts, helping Eliza with the geology of the hillside hikes, giving lectures and helping Steve with field trip planning and leading.