Elevation Gain: In this direction (trail is an incomplete loop), elev gain is 670 m (2,200'), elev loss is 1,050 m (3,440').
This is another of those special trails that you just don't find every day. Siyeh Pass in Glacier National Park
actually traverses the pass between Mount Siyeh and Going-to-the-Sun Mountain, circling Going-to-the-Sun Mountain in the process.
The trail starts at the Siyeh Bend, the sharp hairpin turn east of Logan Pass. The first 4.5km are common to this and the Peigan Pass Trail. At the signed junction turn right for Siyeh Pass. To this point, you have made a steady, gradual climb, passing numerous flower-strewn meadows along the way (in season).
After the junction you enter an area know as Preston Park. Here there are interspersed treed and open areas, several glacial tarns and the grade is almost nonexistent (sort of like a park). Mount Siyeh rises on your left, Going-to-the-Sun Mt. and Mitahpi Peak loom on your right. At the end of the 'park' (about 2km), begins the climb to the pass.
As you climb above the 'park' the views get steadily better. Just before you reach the saddle, make a sharp right and follow the well worn trail upwards over the left shoulder of Mitahpi Peak. As you round the corner you will see the other side of the pass and the long valley down to St. Mary Lake.
Rest a while and enjoy the view, because now you've got a 3,440' descent ahead of you. To be fair, the descent isn't that bad. The parks crews have done a good job of switchbacking this side of the pass and it really isn't too bad. If you prefer, you can always do the trail in reverse. Going down this side you will pass the Sexton Glacier and its outfall becoming Baring Creek. Further down you will join the creek as it tumbles down through Sunrift Gorge to St. Mary Lake.
Remembering that this is a horseshoe shaped trail, you will exit at the Sunrift Gorge on the highway. Either arrange a vehicle shuttle or do what I did - hitch-hike back to your vehicle.
Trailhead is at the Siyeh Bend or at Sunrift Gorge (depending on direction of travel) on the Going-to-the-Sun Road in Glacier National Park.
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