Arapahoe County: Smoky Hill Ridge is a 1 mile out and back trail located near Aurora, Colorado and is good for all skill levels. The trail is primarily used for hiking and road biking and is accessible year-round. 1.0 miles 101 feet Out & Back kid friendly hiking road biking Expand Map VIEW FULL MAP Sign up now to see this map! Reviews (0)Photos (0)Recordings (0)No one has reviewed this trail yet. Be the first!