Long Knife Peak
Long Knife Peak looms above Glacier National Park's rugged valley, with pinkish rock strata and green pines.
Long Knife Peak looms snowcapped above a dark forest and tranquil lake in Glacier National Park.
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Long Knife Peak

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

Type

Geological Formation

Accessibility

Backcountry hike required; not wheelchair accessible

Best Season

Summer (July–August)

Busiest Season

Summer (July–August)

Features

Knife-edge crest; Proterozoic Belt Supergroup rocks; northern U.S. peak above 9,000 ft

Elevation

9,789 ft

Overview

About This Attraction

From Upper Kintla Lake, the knife-edge crest dominates the skyline. The scene pairs calm water with a razor-sharp summit that hints at a tectonic origin and later glacial sculpting. Proterozoic rocks tell a 1.4+ billion-year story embedded in the peak’s rugged profile.

Quick Facts

Type

Geological Formation

Elevation

9,789 ft

Access

Backcountry hike required; not wheelchair accessible

Main Features

Knife-edge crest; Proterozoic Belt Supergroup rocks; northern U.S. peak above 9,000 ft

What You'll See

Upper Kintla Lake views with a distant knife-edge summit; rugged ridges and Precambrian rock exposures

What Makes It Special

Most northerly contiguous U.S. peak above 9,000 ft; Belt Supergroup rock records Proterozoic history; the region is tied to the Blackfeet Nation lineage as the ‘Backbone of the World’

Best Time to Visit

Mid-June through mid-October is the main window when Glacier National Park roads are typically open; higher-elevation trails may still have snow until late June. In the morning, eastern exposures catch softer light, while late afternoon highlights western slopes. Avoid the harsh midday sun and watch for potential afternoon alpine storms.

Safety Considerations

Gravity and loose rock on cliffs; rapid weather shifts; bear country; cell service unreliable. Stay on routes, carry bear spray, and use map/compass; maintain distance from wildlife

Visitor Tips

  • Backcountry day requires map/compass; plan for a full day.
  • Parking fills quickly at popular trailheads in peak season; arrive early or use shuttle where available.
  • Bear spray is essential; maintain distance from wildlife and travel with companions.
  • Weather shifts rapidly in alpine terrain; pack layers and traction for shoulder seasons.
ℹ️ Data Sources

Information is compiled from official sources, verified traveler reviews, and editorial research. Learn how YourNPGuide works →