Florida Keys Overseas Heritage Trail is a 2.2 mile out and back trail located near Big Pine Key, Florida and is good for all skill levels. The trail is primarily used for hiking and walking and is accessible year-round. 2.2 miles 6 feet Out & Back hiking walking 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!