The easy 5.0-mile Kernan Motorized Trail is available for dirt bike use only. A free map is available at the Descanso Ranger Station located on Alpine Boulevard in Alpine.
Directions from Campo, CA: Take Buckman Springs north into the Forest. Turn left (west) on FS 17S04 following signs to Four Corners Trailhead / Corral Canyon OHV Area. Information kiosk provided.