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Welcome To
The Old Montana Prison Museum & Auto Collection
5 Great Attractions
1 Low Price
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JULY EVENTS
Jul 25, 2026, 6:30 PM – Jul 26, 2026, 2:00 AM1106 Main St, 1106 Main St, Deer Lodge, MT 59722, USA
Jul 18, 2026, 7:00 PM – 9:00 PMOld Montana Prison, 1106 Main St, Deer Lodge, MT 59722, USAA history tour mixed with the paranormal.
Jul 10, 2026, 8:00 PM – Jul 11, 2026, 2:00 AMOld Montana Prison, 1106 Main St, Deer Lodge, MT 59722, USA
Jul 04, 2026, 6:00 PM – 11:00 PM1106 Main St, 1106 Main St, Deer Lodge, MT 59722, USA
Jul 02, 2026, 9:00 AM – 5:00 PM1106 Main St, 1106 Main St, Deer Lodge, MT 59722, USACome join us for the 155th anniversary of the Old Montana Prison!
AUGUST EVENTS
5 days to the eventAug 28, 2026, 8:00 PM – Aug 29, 2026, 2:00 AMOld Montana Prison, 1106 Main St, Deer Lodge, MT 59722, USA- 6 days to the eventAug 29, 2026, 7:00 PM – 9:00 PMOld Montana Prison, 1106 Main St, Deer Lodge, MT 59722, USAA history tour mixed with the paranormal.
Multiple DatesAug 23, 2026, 9:00 AM – 2:00 PMPEN Convention Center, 925 Main St, Deer Lodge, MT 59722, USAJoin us for the OMP August Gun Show at the Pen Convention Center- Multiple DatesAug 22, 2026, 9:00 AM – 6:00 PMPEN Convention Center, 925 Main St, Deer Lodge, MT 59722, USAJoin us for the OMP August Gun Show at the Pen Convention Center
- Multiple DatesAug 21, 2026, 12:00 PM – 6:00 PMPEN Convention Center, 925 Main St, Deer Lodge, MT 59722, USAJoin us for the OMP August Gun Show at the Pen Convention Center
- Aug 08, 2026, 8:00 PM – Aug 09, 2026, 2:00 AMOld Montana Prison, 1106 Main St, Deer Lodge, MT 59722, USA
Aug 02, 2026, 6:00 PM – 8:30 PMOld Montana Prison Yard, 1106 Main St, Deer Lodge, MT 59722, USAFREE EVENT!!! A Shakespeare in the Park production inside the Old Montana Prison Yard!
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