A 30 km (19 miles) round trip, traversing parts of Cleveland National Forest (Descanso Ranger District) and Cuyamaca Rancho State Park and the Anza-Borrego Dessert State Park.
It follows these trails and roads (starting at marker km23):
- PCT (southbound, 7 km)
- Noble Canyon Trail (westbound, 4 km)
- Indian Creek Trail (westbound, 6 km)
- East Mesa Fire Road (westbound, 3 km)
- An unnamed trail crossing Harper Creek (northbound, 4 km)
- Harper Fire Road (eastbound, 3 km)
- Deer Park Road (southbound, 1 km)
- Indian Creek Trail (eastbound, 3 km)