Arctic National Wildlife Refuge

Park Vast Alaskan wildlife refuge protecting Arctic ecosystems

A vast Alaskan reserve along the Arctic coast and foothills, the Arctic National Wildlife Refuge draws wildlife viewers for caribou migrations, coastal plain birdlife and remote backcountry. Access is by bush plane, guided trips or extended fieldwork.

Main image

The Arctic National Wildlife Refuge is a large federal protected area in northeastern Alaska that preserves extensive Arctic coastal plain, tundra and mountain ecosystems. The refuge covers on the order of 19 million acres and is one of the largest conservation areas in the United States.

The refuge contains vast tundra plains, braided rivers and rugged mountains that support polar bears, caribou, muskoxen, wolves and millions of migratory birds. Visitors come for backcountry wildlife viewing, remote river trips and guided polar-bear or caribou-watching excursions in summer and for near-pristine Arctic landscapes.

The area was first set aside as the Arctic National Wildlife Range in 1960 and was redesignated and expanded under the Alaska National Interest Lands Conservation Act (ANILCA) in 1980. Since then it has been at the center of ongoing policy debates over resource development versus conservation, particularly concerning the coastal plain.

The refuge lies along Alaska’s northeastern coast on the Beaufort Sea and extends south into the foothills and mountains of the Brooks Range. Nearest regional population centers include communities in northern Alaska and Fairbanks to the south; much of the refuge is accessible only by small aircraft or long overland travel.

  • Size: covers roughly 19 million acres, making it one of the largest protected areas in the United States
  • 1002 coastal plain: contains a highly debated coastal plain often referred to as the 1002 area because of its designation in federal law and its importance as caribou calving habitat

What to See #

  • Coastal Plain (1002 area): the Coastal Plain is the low-lying eastern portion of the refuge and includes the so-called 1002 area that serves as a critical spring and summer calving ground for the Porcupine caribou herd
  • Brooks Range and interior tundra: the Brooks Range section contains mountains, river valleys and tundra that provide habitat for muskoxen, Dall sheep and migratory birds and forms the southern backbone of the refuge
Arctic National Wildlife Refuge
68.5841, -144.2522
Open year-round
Free (no entrance fee)

Tips for Visiting Arctic National Wildlife Refuge #

  • Plan travel for the brief Arctic summer (roughly June-August) when tundra access, wildlife viewing and daylight are best and transport options (bush planes, boat charters) are most available.
  • Most public access to remote parts of the refuge requires a chartered flight or boat; arrange transport and any guided services well in advance and confirm current refuge regulations on the official ANWR website before you go.
  • If you intend to visit the coastal plain or areas near communities such as Kaktovik, coordinate logistics with local outfitters and be prepared for primitive conditions-there are no road links that provide routine drop-off service into the refuge.

Best Time to Visit Arctic National Wildlife Refuge #

Visit the Arctic National Wildlife Refuge in summer for the best access and wildlife-viewing opportunities; winters are extremely cold and largely inaccessible to casual visitors.

Summer
Jun-Aug · 0-15°C
The primary season for access and wildlife viewing (birdlife, caribou, muskox), with long daylight and many rivers thawed for travel by boat or plane.
Autumn
Sep-Oct · -10-5°C
Cooling temperatures, fewer mosquitoes and visitors, and increasing chances to see migrating wildlife and northern lights as nights lengthen.
Winter
Nov-Mar · -40--10°C
Extreme cold, deep snow, and limited access - most visitor facilities and roads are closed or seasonal.

Weather & Climate near Arctic National Wildlife Refuge #

Climate

Arctic National Wildlife Refuge's climate is classified as Tundra - Tundra climate with cold summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -31°C to 11°C. Very dry conditions with minimal rainfall with a pronounced dry season.

Temperature & Rainfall
Temperature Range
11°
Warmest Month
-31°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of -21°C and lows of -31°C. Light rainfall.

Comfort

-26°
Feels Like Freezing
-26°C
Temperature
-31° -21°

Weather

10 mm
Rainfall
2.8 m/s
Wind
Calm

February

February is freezing with highs of -20°C and lows of -30°C. Almost no rain.

Comfort

-25°
Feels Like Freezing
-25°C
Temperature
-30° -20°

Weather

8 mm
Rainfall
2.2 m/s
Wind
Calm

March

March is freezing with highs of -21°C and lows of -30°C. Almost no rain.

Comfort

-26°
Feels Like Freezing
-26°C
Temperature
-31° -21°

Weather

5 mm
Rainfall
2.8 m/s
Wind
Calm

April

April is freezing with highs of -13°C and lows of -24°C. The driest month with just 1 mm.

Comfort

-18°
Feels Like Freezing
-18°C
Temperature
-24° -13°

Weather

1 mm
Rainfall
3.2 m/s
Wind
Light Breeze

May

May is freezing with highs of -2°C and lows of -10°C. Almost no rain.

Comfort

-6°
Feels Like Freezing
-6°C
Temperature
-10° -2°

Weather

6 mm
Rainfall
4.0 m/s
Wind
Light Breeze

June

June is cold with highs of 8°C and lows of 0°C. Light rainfall.

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

28 mm
Rainfall
4.7 m/s
Wind
Light Breeze

July

July is cold with highs of 11°C and lows of 1°C. The wettest month with 39 mm of rain.

Comfort

Feels Like Cold
C
Temperature
11°

Weather

39 mm
Rainfall
4.4 m/s
Wind
Light Breeze

August

August is cold with highs of 8°C and lows of -1°C. Moderate rainfall (31 mm).

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

31 mm
Rainfall
4.4 m/s
Wind
Light Breeze

September

September is freezing with highs of 0°C and lows of -7°C. Light rainfall.

Comfort

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

Weather

16 mm
Rainfall
4.1 m/s
Wind
Light Breeze

October

October is freezing with highs of -10°C and lows of -18°C. Almost no rain.

Comfort

-14°
Feels Like Freezing
-14°C
Temperature
-18° -10°

Weather

5 mm
Rainfall
3.4 m/s
Wind
Light Breeze

November

November is freezing with highs of -18°C and lows of -26°C. Almost no rain.

Comfort

-22°
Feels Like Freezing
-22°C
Temperature
-27° -18°

Weather

8 mm
Rainfall
2.8 m/s
Wind
Calm

December

December is freezing with highs of -19°C and lows of -28°C. Almost no rain.

Comfort

-23°
Feels Like Freezing
-23°C
Temperature
-28° -19°

Weather

9 mm
Rainfall
2.6 m/s
Wind
Calm

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