 The portion from Barlow Pass to Darrington follows the Sauk River.The "inside" of the highway's namesake loop is a large area containing significant Cascade peaks, including Three Fingers (6850 ft, 2088 m), Whitehorse Mountain (6850 ft, 2088 m), Mount Dickerman (5723 ft, 1744 m), and Mount Forgotten (6005 ft, 1830 m).The Mountain Loop Highway starts at the eastern end of SR 92 in Downtown Granite Falls.