State or territory
National Park Service units in Montana
10 units, including those that Montana shares with other states. See them on the map.
- Big Hole National Battlefield
- Bighorn Canyon National Recreation Area
- Fort Union Trading Post National Historic Site
- Glacier National Park
- Grant-Kohrs Ranch National Historic Site
- Ice Age Floods National Geologic Trail
- Lewis & Clark National Historic Trail
- Little Bighorn Battlefield National Monument
- Nez Perce National Historical Park
- Yellowstone National Park