Glacier National Park

Otokomi Lake

strenuous Solitude SeekersExperienced HikersPhotographers
5.5 mi Distance
1,900 ft Elevation Gain
Varies Estimated Time
one_way Trail Type

What to Expect

Starting from the Rising Sun Campstore on the east side of the park, Otokomi Lake is one of Glacier's quieter big efforts — a steady, leg-testing climb through dense forest that eventually opens into alpine meadows with views that make you forget how much your quads are complaining. The first couple of miles wind through lodgepole pine along Rose Creek, crossing several small streams before the trail tilts upward in earnest. The final push gains most of that nearly 2,000 feet of elevation through a series of switchbacks above treeline, where the rocky terrain demands solid footwear and the exposure rewards you with sweeping views of the surrounding peaks. The lake itself sits in a glacial cirque — cold, impossibly clear, and ringed by cliffs that make it feel like your own private amphitheater. This is a trail for hikers who earn their views and prefer company-free destinations.
Solitude SeekersExperienced HikersPhotographersAlpine Lake LoversEscape the Crowds

Safety Advisory

This is prime grizzly country, especially along Rose Creek in the lower section. Carry bear spray accessible on your hip, not buried in your pack, and make noise consistently through the forested stretch.

The upper portion above treeline is fully exposed with no shelter. Afternoon thunderstorms build fast in Glacier — if you see clouds stacking over the Continental Divide, start heading down immediately rather than pushing for the lake.

Snow lingers on the upper switchbacks well into July most years. Without traction devices, the steep snow crossings above treeline can be genuinely dangerous — check trail conditions at the St. Mary Visitor Center before heading out.

Trail Details

Distance 5.5 miles round-trip
Elevation Gain 1,900 ft
Difficulty strenuous
Estimated Time Varies
Trail Type one_way
Pets Not allowed
Season Year-round
Trailhead Otokomi Lake

Pro Tips

Trail Tip

Start early — not just for cooler temperatures, but because the Rising Sun parking area fills fast in peak season and you'll want a spot before the Going-to-the-Sun Road traffic picks up.

Trail Tip

The trail crosses several streams in the first two miles that serve as your last reliable water sources. Fill up here because the upper section is dry and exposed, and the climb will drain your bottles faster than you expect.

Trail Tip

Most hikers turn around at the lake, but if you scramble to the rocky bench on the southeast shore, you'll get the best angle on the cirque walls with afternoon light painting the cliffs gold — worth the extra ten minutes.

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