Twin Rocks Trail is a 24.9 mile out and back trail located near Santa Maria, CA and is good for all skill levels. The trail is primarily used for hiking and off road driving and is accessible year-round. 24.9 miles 5770 feet Out & Back kid friendly hiking off road driving 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!