Mount La Perouse in Glacier Bay National Park

Sight · Glacier Bay National Park

Mount La Perouse

Remote Fairweather Range peak above a rare ocean-terminating glacier

Photo: National Park Service

Overview

About Mount La Perouse

Mount La Perouse is a dramatic, glaciated summit in the Fairweather Range of Glacier Bay. It rises out of rugged icefields with a perfectly wild, end-of-the-earth feel—no roads, no trails, and no facilities. This is not a casual stop; it’s an objective for seasoned mountaineers or a distant landmark admired from the coast.

Why stop

  • Rare ocean-terminating glacier with frequent calving at its base
  • Spectacular, wild alpine scenery and true solitude
  • Distinctive layered gabbro geology exposed near the summit

Heads up

  • Extremely remote with no trails or services; technical glacier travel required
  • Harsh, highly unpredictable weather
At the base of the mountain sits La Perouse Glacier, notable for advancing to the outer Pacific coast and discharging icebergs directly into the ocean. Its calving face forms a sheer cliff several miles wide and roughly 200 feet high, with frequent calving that booms across the water. The mountain itself also drew scientific attention for near-summit exposures of layered gabbro—an unusual geologic window into a large intrusive complex.
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Map

Where it is

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SightMount La Perouse58.56334, -137.08028
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Local know-how

Tips for visiting Mount La Perouse

  1. There are no facilities anywhere near the mountain—be completely self-sufficient.

  2. Access typically involves aircraft or boat support followed by glacier travel.

  3. Only attempt an approach with full glacier skills and crevasse rescue competence.

  4. If you just want a look, plan to view it from passing ships along the outer coast.

  5. Build in extra days; weather windows are short and conditions shift rapidly.

Plan your stop

Before you go

Best time to visit

There isn’t a standard “season” for casual visitors. Mountaineering teams wait for short weather windows in a region known for rapid shifts, heavy precipitation, and strong winds. If you’re simply hoping to glimpse it, look for views from vessels traveling the outer coast.

Access and Experience

Expect full-on wilderness. Documented approaches involve aircraft or boat support, followed by glacier travel. There are no maintained routes, no signage, and no on-site support. Most park visitors never get here; many who do “see” it do so from ships passing along the outer coast.

A park ranger sits on a dash-mounted phone, talking, as Parkwolf’s Tour Guide plays “Army Cutworm Moths: A Grizzly Bear Buffet” on Grand Loop Road below Dunraven Pass in Yellowstone
Parkwolf Tour GuideThe highest, rockiest slopes around here are a summer buffet for grizzly bears.

Glacier Bay Tour Guide

Your drive to Mount La Perouse, narrated.

Parkwolf is a GPS audio tour guide for Glacier Bay National Park. As you drive, it chimes in with what’s ahead: hidden gems, upcoming stops, history, geology, and wildlife, right through your car’s speakers.

  • 37 audio storiesacross Glacier Bay’s roads, triggered by GPS as you drive
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Guide

More about Mount La Perouse

What You’ll SeeA heavily glaciated peak with sweeping icefields and rugged moraines.
  • A heavily glaciated peak with sweeping icefields and rugged moraines.
  • Active calving at the coastal glacier terminus, sending ice into the Pacific.
  • High-elevation rock bands where the layered gabbro is exposed.
History & GeologyNamed for the French navigator Jean-François de Galaup de La Pérouse, the mountain became a…

Named for the French navigator Jean-François de Galaup de La Pérouse, the mountain became a target for scientific parties investigating the unique layered gabbro body it shares with nearby peaks. That geology—along with the dynamic, ocean-terminating glacier—makes this a rare combination of coastal ice and significant bedrock exposure.

WildlifeSources do not document wildlife specific to this summit.

Sources do not document wildlife specific to this summit. Given the harsh, glaciated setting, expect sparse sightings near the upper mountain; coastal areas around the glacier are more active but not detailed here.

Know Before You GoThis is designated wilderness with zero amenities—plan to be fully self-reliant.
  • This is designated wilderness with zero amenities—plan to be fully self-reliant.
  • Only experienced alpinists with glacier travel and crevasse rescue skills should attempt an approach.
  • Weather can change fast; plan conservatively and expect delays.

Wildlife

Wildlife in Glacier Bay

All Glacier Bay wildlife maps

Sighting maps show where each species has been reported across Glacier Bay. Wildlife moves, so no sighting is guaranteed.

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