Mixture of double track and fire road, approx 2.65 miles long
The east end of the trail begins across the street from Quail Hill Loop (34 Shady Canyon Dr, Irvine, CA 92603). The west end begins at the intersection with West Canyon Trail and Serrano Ridge Trail (which is in Laguna Coast Wilderness Park)
http://www.singletracks.com/item.php?c=1&i=8526