Sand Flat Campground is located six miles from the junction of Clark Fork Road and Highway 108. It is about 25 miles east of the Summit Ranger Station. There are 53 drive-in sites available and 15 walk-in sites, a total of 68. Each site has a table and a fire ring. Restrooms are vault toilets (some newer units are fully accessible) Four well supply potable water by hand pumps. There is a fee for parking extra cars. An RV dump station is located on the entrance road to Clark Fork Campground. Campers staying at Clark Fork or Sand Flat Campgrounds may use the dump station for a $6 dump fee.