The Scratchgravel Hills feature 50 miles of multiuse trails for hiking, running, mountain biking, and horseback riding north of Helena. From Head Lane Trailhead, visitors can explore the arid hills and pine forests on this 1.5-mile loop. Head west for .2 mile on the Horse Biscuit Trail and then turn left on the South Loop Trail. Circle back on the Scratchgravels Singletrack and Doubletrack trails.