| Nom du Parc | Ville | Type du Parc |
| Big Hole National Battlefield | Wisdom | National Battlefield |
| Bighorn Canyon National Recreation Area |
Fort Smith | National Recreation Area |
| Glacier National Park | Kalispell à l'ouest et Browning à l'est | National Park |
| Grant-Kohrs Ranch National Historic Site |
Deer Lodge | National Historic Site |
| Little Bighorn Battlefield National Monument |
Billings | National Monument |
