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black Siyeh Pass Trail

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7.8 mile 12.5 kilometer point to point


Ascent: 1,092' 333 m
Descent: -3,521' -1,073 m
High: 8,075' 2,461 m
Low: 4,556' 1,389 m


Avg Grade: 11% (6°)
Max Grade: 43% (23°)


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Trail shared by Nate Jones

A breathtaking trail that takes you from dense forest to uninterrupted views from the summit.

Nate Jones

Features Birding · Lake · River/Creek · Views · Wildflowers · Wildlife

Going-To-The-Sun Road is closed to motorized traffic in the fall, winter, and spring.


During the summer, you can reach the trailheads on Going-To-The-Sun Road using the shuttle service provided by the NPS. The price is included in the park's entrance fee. To reach Siyeh Pass, you can take Siyeh Bend 1.1 miles to Piegan Pass. After taking a left on Piegan Pass follow it for 2 miles to the entrance for Siyeh pass. Siyeh Pass is 7.6 miles and will dump you back on Going-To-The-Sun Road where you can catch a shuttle.

The trail starts out at a gentle incline through dense forest. There are occasional creeks, rocks, and roots so keep your eyes open. As the forest thins out, the views only get better. There are many glaciers and glacial lakes that you can get a breathtaking view of from the trail. The forest completely thins out, and you have an easy hike before you reach the major climb of the trail to the summit. There are many switchbacks here and you should be ready for a drop in temperature as you wind your way up the mountain.

Once you reach the top of Siyeh Pass, you'll have breathtaking views of Mt Siyeh. The view goes uninterrupted between mountains for miles. As you start your descent, you can catch a glimpse of St Mary Lake. The descent is steep so be careful on your way down. With a mile or two left of the trail, you'll come upon several small waterfalls. This is a great place to take a peaceful rest and take in some beautiful views before you finish your hike. The trail follows the river for a while and there are some spectacular views of the mountains.

When the trail ends on Going-To-The-Sun Road, you can catch a shuttle to you next destination or back to St Mary's for a well-deserved meal in on of the great restaurants located in town.

Visit hike734.com for more expert Glacier content and maps that help you decide which trail to hike.

Flora & Fauna

You'll see lots of wildflowers around the trail. There is also abundant wildlife, including bears, so make sure you make lots of noise.


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Jul 23, 2018
Melodie Prevost
Aug 8, 2016
Michael Rosentreter
Did the last part of this trail down from Going To The Sun Road to St. Mary Lake
Jan 15, 2016
Alli Brashear

Trail Ratings

  5.0 from 2 votes


in St. Mary


  5.0 from 2 votes
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in St. Mary


in Montana


19 Views Last Month
591 Since Sep 3, 2015
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