Glacier National Park

Siyeh Pass

strenuous Summit BaggersExperienced HikersPhotographers
4.6 mi Distance
2,240 ft Elevation Gain
Varies Estimated Time
one_way Trail Type

What to Expect

Siyeh Pass doesn't ease you into anything. From the Piegan Pass Trailhead, you're climbing hard almost immediately, grinding through subalpine meadows before the trail tilts upward into serious alpine terrain. The route crosses exposed rocky slopes where the wind can hit you sideways, and the final push to the pass feels like climbing a staircase someone forgot to finish building. But once you crest that ridge at over 8,000 feet, the Continental Divide sprawls out in front of you — Sexton Glacier hangs in its cirque to the north, and the views stretch into every drainage Glacier has to offer. The wildflower meadows below the pass explode in late July, carpeting the slopes in beargrass and paintbrush. This trail rewards hikers who treat elevation gain as the point, not the price of admission.
Summit BaggersExperienced HikersPhotographersWildflower SeasonSolitude Seekers

Safety Advisory

Snow lingers on the north-facing approach well into July most years, creating steep, icy traverses with significant fall exposure. Microspikes are not optional — they're the difference between a hike and a rescue call.

This is prime grizzly habitat with limited sightlines in the lower meadow sections. Carry bear spray accessible on your chest or hip, not buried in your pack, and make noise on blind corners.

The upper route is fully exposed above treeline for over two miles with no shelter. Lightning storms build fast in the afternoon — if you see clouds stacking up over the peaks by noon, turn around.

Trail Details

Distance 4.6 miles round-trip
Elevation Gain 2,240 ft
Difficulty strenuous
Estimated Time Varies
Trail Type one_way
Pets Not allowed
Season Year-round
Trailhead Siyeh Pass

Pro Tips

Trail Tip

Run this as a point-to-point shuttle hike: start at Siyeh Bend on Going-to-the-Sun Road, climb over the pass, and descend to the Piegan Pass Trailhead — the descent side is more gradual and saves your knees roughly 1,200 feet of pounding.

Trail Tip

Start before 8 AM to claim trailhead parking at either end along Going-to-the-Sun Road — by mid-morning in July and August, every pullout is full and the shuttle becomes your only option.

Trail Tip

Bring a windbreaker even on bluebird days. The pass itself sits in a natural wind tunnel between peaks, and temperatures at the top can run 20 degrees cooler than the trailhead. Exposed ridgeline means zero shelter if weather rolls in.

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