Juneau/Douglas & Lower Gastineau Channel is a 20 mile out and back trail located near Juneau, Alaska. The trail is primarily used for hiking and sea kayaking and is accessible from May until August. 20.0 miles Out & Back hiking sea kayaking Expand Map VIEW FULL MAP Sign up now to see this map! Reviews (0)Photos (0)Recordings (1)No one has reviewed this trail yet. Be the first!