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.


Your  membership helps support: 

  • FREE ADMISSION to the public.
  • Upkeep and maintenance of museum  facilities.
  • Youth educational programs.
  • Exhibit development maintenance.

As a member you will receive:

  • Opportunity to vote in Board elections.
  • 20% discount on gift shop purchases.
  • Free admission to lectures and special events.
  • Discounts on field trips and activities.

Annual membership is effective January 1st through December 31st. Memberships paid between October and December will be credited to the following year.