AT to Watertank Trail Clarks Valley Route 325 is a 12.2 mile loop trail located near Tower City, PA and is rated as difficult. The trail is primarily used for hiking and is accessible from April until November. 12.2 miles 2032 feet Loop hiking Expand Map Sign up now to see this map! Reviews (0)Photos (0)Recordings (2)No one has reviewed this trail yet. Be the first!