Arctic Refuge

protects wildlife, wilderness and recreational values, conserves natural diversity, and provides opportunities for subsistence uses.

Refuge Highlights

Arctic National Wildlife Refuge: The First 50, An Historic Symposium

"The Arctic National Wildlife Refuge 50th Anniversary Historic Symposium" was presented in 2011, and the Symposium Transactions are now available here. For three days symposium participants explored and discussed the history, science, and uniqueness of Arctic Refuge. Highlights included a fascinating conversation with Arctic refuge managers, including the legendary Ave Thayer; the Voices of the South’s play "Wild Legacy," with George Schaller and Bob Krear, two characters in the play, actually in the audience; a screening of the film "America’s Wildest Refuge: Discovering the Arctic National Wildlife Refuge;" and a visit from Jimmy Carter, the 39th President of the United States. The Symposium Transactions capture the spirit and scholarship of this seminal event.

Transactions for Arctic Refuge 50th Symposium

New measurements proclaim Mt. Isto highest

After exhaustive ground and air efforts, new measurements establish the heights of the five tallest mountains in the U.S. Arctic, all within miles of each other in Arctic Refuge. Tallest is Mt. Isto at 8975.1 feet (2735.6 meters). The next four, in high to low order, are Mt. Hubley at 8916.0 feet (2717.6 meters), Mt. Chamberlin at 8898.6 feet (2712.3 meters), Mt. Michelson at 8852.0 feet (2698.1 meters), and Mt. Okpilak at 8841.5 feet (2694.9 meters).

The story behind the measurements ...

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About the NWRS

National Wildlife Refuge System


The National Wildlife Refuge System, within the U.S. Fish and Wildlife Service, manages a national network of lands and waters set aside to conserve America's fish, wildlife, and plants.

Learn more about the NWRS