Geology Tour Road is a 16.9 mile out and back trail located near Desert Center, CA and is rated as moderate. The trail is primarily used for hiking and mountain biking and is accessible from October until May. 16.9 miles 1350 feet Out & Back hiking mountain biking Expand Map Sign up now to see this map! Reviews (0)Photos (0)Recordings (1)No one has reviewed this trail yet. Be the first!