 The main route is a loop through the towns of Featherville, Ketchum, Stanley, McCall, Cascade, Crouch, and Idaho City, with an optional spur to Boise.The main route is bidirectional, but the singletrack routes are only mapped counterclockwise.Notable highlights on the route include the Sawtooth Mountains, the White Cloud Mountains, the Boise Mountains, the Salmon River, and the Sawtooth, Salmon-Challis, Boise, and Payette National Forests.