Colter Campground is a 18-23 site campground in Custer Gallatin National Forest, 2 miles east of Cooke City near Yellowstone's northeast entrance, offering hard-sided RV camping only with amenities including water, fire rings, picnic tables, and ADA-accessible vault toilets.

The campground provides access to nearby fishing and scenic hiking trails, with sites averaging 22' x 66' and a maximum vehicle length of 48 feet; it operates July 1 - September 7 on a first-come, first-served basis with a 16-day stay limit and $20-25 nightly fee.