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.

Gift Shop

A rockin’ good shop! The IMMG Gift Shop has a variety of items such as books, jewelry, puzzles, rocks, minerals, fossils, toys, and MORE. The perfect place to shop for a geo-enthusiast or a future geo-scientist.

Gift Shop Hours

  • Open March - October
  • Wednesday - Sunday
  • Noon - 5:00pm
IMG_20190401_102259
Maker:S,Date:2017-10-6,Ver:6,Lens:Kan03,Act:Lar02,E-Y
Maker:S,Date:2017-10-6,Ver:6,Lens:Kan03,Act:Lar02,E-Y