Karangahake Old Rail Tunnel Trail is a 1.5 mile out and back trail located near Karangahake, Waikato Region, New Zealand. The trail is good for all skill levels and primarily used for hiking and walking. 1.5 miles 1066 feet Out & Back kid friendly hiking rails trails 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!