Mount Hayes

Mountain Remote Alaska Range peak noted for huge relief

In eastern Alaska, Mount Hayes challenges climbers with steep faces and glaciated approaches. Its remote location attracts experienced alpinists seeking long, technical ascents away from developed base camps.

Main image

Mount Hayes is a major, remote mountain in the eastern Alaska Range with a summit roughly 4,217 metres (13,832 feet) above sea level. The peak is notable for its large, glaciated faces and long approaches.

The mountain is primarily visited by experienced mountaineers; routes involve glacier travel, crevasse navigation and long, committing climbs. Weather and remoteness make climbs logistically challenging and objective hazards significant.

Mount Hayes sits in interior eastern Alaska within a rugged subrange known as the Hayes Range, surrounded by glaciers and alpine terrain.

  • Elevation: Summit elevation is approximately 4,217 metres (13,832 feet), making it the highest peak of the Hayes Range.
Mount Hayes
63.6200, -146.7161

How to Get to Mount Hayes #

Mount Hayes is a remote Alaskan peak with no direct road access. Reaching mountaineering approaches normally requires a flight by bush plane or helicopter to a glacier or remote base camp followed by long glacier travel; there are no regular road or ferry services to the mountain itself. The peak is approached from remote valleys and is commonly accessed via air support from larger Alaskan hubs.

Because of its remoteness, arrangements are typically made through experienced Alaska guide services or air-taxi operators based in the region.

Tips for Visiting Mount Hayes #

  • Mount Hayes is a remote, technical Alaskan peak that requires a true expedition mindset - expect long glacier travel, complex route-finding, and the need for crevasse-rescue skills and alpine experience.
  • Most ascents require a multi-day approach and often a bush-plane drop or long ski/sled approach; plan logistics well in advance, carry reliable communication, and be prepared for self-supported travel in changing Alaskan weather.
  • The ideal climbing window is late spring to early summer when daylight is long and snow conditions are generally more stable; even then, weather and objective hazards can dictate long waits, so build flexibility into your schedule.

Best Time to Visit Mount Hayes #

Best attempted in late spring to early summer when daylight is long and conditions are most favorable for glacier travel; otherwise it is a remote, technical Alaskan peak.

Late spring-Early summer
May-June · cold to cool in valleys (≈0-10°C)
Preferred climbing season with long daylight and more stable spring weather; glaciers and snowfields are still present but conditions are more predictable for mountaineering.
Summer
July-August · cool (≈5-12°C in lower areas)
Short alpine season with milder valley temperatures but potential for ice melt and crevasse hazard; still a serious objective requiring glacier travel skills.
Winter
September-April · very cold (well below freezing at higher elevations)
Extremely cold, snowy and dark for much of the season - only for highly experienced teams with appropriate winter alpine equipment.

Weather & Climate near Mount Hayes #

Climate

Mount Hayes's climate is classified as Ice Cap - Ice Cap climate with freezing summers (peaking in July) and freezing winters (coldest in March). Temperatures range from -25°C to 1°C. Semi-arid with limited rainfall.

Temperature & Rainfall
Temperature Range
Warmest Month
-25°
Coldest Month
Monthly Conditions

January

January is freezing with highs of -16°C and lows of -23°C. Light rainfall and breezy conditions.

Comfort

-20°
Feels Like Freezing
-20°C
Temperature
-23° -16°

Weather

22 mm
Rainfall
6.9 m/s
Wind
Breezy

February

February is freezing with highs of -13°C and lows of -20°C. Light rainfall.

Comfort

-17°
Feels Like Freezing
-17°C
Temperature
-20° -13°

Weather

29 mm
Rainfall
5.3 m/s
Wind
Light Breeze

March

March is the coldest month with highs of -21°C and lows of -25°C. Light rainfall.

Comfort

-23°
Feels Like Freezing
-23°C
Temperature
-25° -21°

Weather

23 mm
Rainfall
5.5 m/s
Wind
Light Breeze

April

April is freezing with highs of -17°C and lows of -22°C. The driest month with just 11 mm.

Comfort

-19°
Feels Like Freezing
-19°C
Temperature
-22° -17°

Weather

11 mm
Rainfall
5.7 m/s
Wind
Light Breeze

May

May is freezing with highs of -10°C and lows of -13°C. Light rainfall and breezy conditions.

Comfort

-11°
Feels Like Freezing
-11°C
Temperature
-13° -10°

Weather

17 mm
Rainfall
6.4 m/s
Wind
Breezy

June

June is freezing with highs of -1°C and lows of -8°C. Regular rainfall (92 mm) and breezy conditions.

Comfort

-5°
Feels Like Freezing
-5°C
Temperature
-8° -1°

Weather

92 mm
Rainfall
7.8 m/s
Wind
Breezy

July

July is freezing with highs of 1°C and lows of -6°C. The wettest month with 97 mm of rain and breezy conditions.

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-6°

Weather

97 mm
Rainfall
7.5 m/s
Wind
Breezy

August

August is freezing with highs of -1°C and lows of -7°C. Moderate rainfall (65 mm) and breezy conditions.

Comfort

-4°
Feels Like Freezing
-4°C
Temperature
-7° -1°

Weather

65 mm
Rainfall
7.3 m/s
Wind
Breezy

September

September is freezing with highs of -6°C and lows of -11°C. Moderate rainfall (31 mm) and breezy conditions.

Comfort

-9°
Feels Like Freezing
-9°C
Temperature
-11° -7°

Weather

31 mm
Rainfall
7.4 m/s
Wind
Breezy

October

October is freezing with highs of -12°C and lows of -20°C. Light rainfall and breezy conditions.

Comfort

-16°
Feels Like Freezing
-16°C
Temperature
-20° -12°

Weather

13 mm
Rainfall
6.6 m/s
Wind
Breezy

November

November is freezing with highs of -16°C and lows of -23°C. Light rainfall and breezy conditions.

Comfort

-20°
Feels Like Freezing
-20°C
Temperature
-23° -16°

Weather

24 mm
Rainfall
6.3 m/s
Wind
Breezy

December

December is freezing with highs of -15°C and lows of -21°C. Light rainfall and breezy conditions.

Comfort

-18°
Feels Like Freezing
-18°C
Temperature
-21° -15°

Weather

27 mm
Rainfall
7.1 m/s
Wind
Breezy

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