United States of America, Utah, Garfield Co., Aquarius Plateau, 21.2 km (13.2 mi) up the Hells Backbone road from Utah Highway 12, 1.4 km (0.9 mile) southwest of the Hells Backbone bridge, 17 km (10.5 miles) air distance west-northwest of Boulder (from the junction of Utah Highway 12 and the Burr Trail)