Encompassing more than three million acres and stretching across seven ranger districts including Bozeman, Hebgen Lake Ranger District in West Yellowstone, MT, Yellowstone R.D. in Livingston, MT, Gardiner R.D., Beartooth R.D. in Red Lodge, MT, the Ashland R.D. in far southeastern MT and Sioux R.D. in Camp Crook, SD, the Custer Gallatin National Forest is known as one of the most ecologically diverse landscapes in the region.

As Gateway to Yellowstone National Park, the Absaroka-Beartooth Wilderness and the Lee Metcalf Wilderness; the Forest features many adventures among rugged mountains, including the tallest Peak in Montana to remote Buttes and Bluffs of southeastern Montana and northwestern South Dakota.