Avalanche Lake
Avalanche Lake surrounded by mossy rocks and dense forest, with a rushing stream feeding a blue alpine lake in Glacier National Park.
Avalanche Lake amidst Glacier National Park's soaring peaks and dense evergreen forest.
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Avalanche Lake

Natural Attr★★★★☆
Last Updated: December 2025

Type

Cirque Lake

Accessibility

Moderate; first 0.5 miles (Trail of the Cedars) wheelchair-accessible; beyond that, trail steep and uneven

Best Season

Late June–September

Busiest Season

July and August

Features

Glacial cirque lake, high cliffs, shoreline viewing area

Elevation

3,905 ft

Overview

About This Attraction

Avalanche Lake forms a cirque carved by ancient glaciers. Meltwater from Sperry Glacier feeds its turquoise waters, which reach up to 63 feet deep. The lake measures roughly 0.6 miles in length and sits near 3,905 feet elevation. Access is a 4.6–6 mile round-trip from Trail of the Cedars; parking is limited. Be bear-aware and plan ahead for crowds and possible rockfall along the surrounding cliffs.

Quick Facts

Type

Cirque Lake

Elevation

3,905 ft

Access

Moderate; first 0.5 miles (Trail of the Cedars) wheelchair-accessible; beyond that, trail steep and uneven

Main Features

Glacial cirque lake, high cliffs, shoreline viewing area

What You'll See

Shoreline of Avalanche Lake with evergreen slopes and towering, glacially carved rock faces; the cold water and forest backdrop create a stark, dramatic scene.

What Makes It Special

Glacial cirque lake within Glacier National Park, UNESCO World Heritage site; proximity to Sperry Glacier indicates ongoing glacial influence

Best Time to Visit

Late June through September; photograph with morning light and watch for Going-to-the-Sun Road openings mid-July.

Safety Considerations

Gravity from steep cliffs; bears are present; water is extremely cold; trails can be slippery when wet; no barriers at water's edge; carry bear spray and know how to use it

Visitor Tips

  • Arrive before 8am in peak season; parking fills quickly at Trail of the Cedars.
  • Start from the Trail of the Cedars trailhead; round-trip is about 6.0 miles.
  • Bear spray and sturdy boots are essential; download offline maps because cell service is spotty.
  • Stay on the trail; the lake sits behind steep cliffs with slippery roots and rocks when wet.