North Wilderness Trail to Twin Knolls is a 3.1 mile out and back trail located near Paicines, CA and is rated as moderate. The trail is primarily used for hiking and is accessible year-round. 3.1 miles 640 feet Out & Back hiking Expand Map Sign up now to see this map! Reviews (0)Photos (0)Recordings (0)No one has reviewed this trail yet. Be the first!