Simi Arroyo Bikeway is a 13.2 mile loop trail located near Simi Valley, CA and is rated as difficult. The trail is primarily used for trail running and road biking and is accessible year-round. 13.2 miles 433 feet Loop road biking trail running 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!