The Red Tail Rim Trail South Trailhead is the staging area for riding, hiking or mountain biking the Red Tail Rim Trail. There are hitching posts but no corrals. This trail is not a loop. The opposite trailhead is located at Red Tail Rim Trail North, about 8 miles north of Adin along Hwy 299/139. Ash Creek Campground is located south of this trailhead.