Tom’s Wash Trailhead sits at mile 15.5 of the Maah Daah Hey Trail, about 22 miles south of Medora, and serves as a water cache point and access spot for hikers and riders. While there’s no formal campground at Tom’s Wash (300 feet from the parking area) itself, dispersed camping is allowed here and in the surrounding Little Missouri National Grassland—just be sure to stay on public land and follow Leave No Trace principles. The terrain here features rolling hills and switchbacks, with scenic views of the Little Missouri River, making it a quiet and practical waypoint for backpackers navigating the southern section of the trail.