The 1.2 million acre Custer National Forest is the most ecologically diverse forest in the Northern Region, reaching from Granite Peak, the highest peak in Montana to the grasslands of South Dakota. Hikers, Custer National Forest

The Forest is comprised of three Districts in two states with the Supervisor's Office in Billings, Montana.

The Beartooth Ranger District, with an office in Red Lodge, Montana, encompasses the Beartooth Mountains and the Pryor Mountains.

The Sioux Ranger District encompasses eight land units in extreme south eastern Montana and north western South Dakota with an office located in Camp Crook, South Dakota.

The Ashland Ranger District has the largest contiguous block of land in federal ownership in eastern Montana and is located in south-central Montana with an office in Ashland, Montana.

Know before you go

Many areas on the Custer National Forest are remote.  Cell phone use may be limited in and around the forest.