Length: 10 miles
Trailhead: Park at the Siyeh Bend parking lot and take the trail for Piegan Pass, which is clearly marked.
Follow the trail through trees for about 2.5 miles, then break off and head up to Preston Park. Take the switchbacks to the top of the pass along the slopes of Matahpi Peak. Stop for incredible views then descend over 3,000 feet for the next 5.4 miles past Sexton Glacier, ending at Sunrift Gorge. The free Going-to-the-Sun shuttle is available for transportation between Sunrift Gorge and Siyeh Bend.