2455 Old Penitentiary Road

Boise, ID 83712 (Next to the Old Pen)

Current Hours

IMMG has now closed for the Season. Check back in Spring for the latest plan to open for 2021.

Free Admission!

Tours and other programs available.

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Guided Tours

March 6 @ 1:00 pm - 3:00 pm

IMMG Board President Steve Cox will lead participants on a 30 minute museum tour, with the remainder of the hour for individual discovery. Everyone must preregister.

Tours are limited to 6 each hour for this unique personal tour of our beautiful and small museum. You’ll see Idaho rocks and minerals, a Buzz Saw shark exhibit, wall graphics explaining Lake Idaho/Lake Bonneville, as well as information on the Yellowstone hotspot. Plus the museum has a seismograph that constantly records earthquakes from around the world! There’s more, too.

You’ll have an opportunity to shop in our extraordinary Gift Shop!

Museum Members Free, Non-members $5.

Click here to make your reservation.


March 6
1:00 pm - 3:00 pm
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