Unimak

island, Alaska, United States

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July 14, 2026

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Unimak is an island located in southwestern Alaska, United States, and is part of the Fox Islands group within the Aleutian Islands chain. This chain of islands separates the Bering Sea from the Pacific Ocean and is known for its volcanic activity, with Shishaldin Volcano being a notable active volcano on Unimak Island. Unimak Island is the largest of the Aleutian Islands and is part of the Alaska Maritime National Wildlife Refuge. The climate is characterized by high winds, heavy precipitation, and fog, with the landscape covered in grasses and sedges rather than trees.123

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Alaska
Relief
The largest islands are Unimak, Unalaska, and Umnak. On the occasionally clear summer days, active volcanoes and such glacier-covered peaks as symmetrical Shishaldin Volcano (9,372 feet [2,857 meters]) on Unimak can be seen. Usually, however, the weather is wet and stormy, the winds horizontal and cutting, and the fog…
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The largest islands are Unimak, Unalaska, and Umnak. On the occasionally clear summer days, active volcanoes and such glacier-covered peaks as symmetrical Shishaldin Volcano (9,372 feet [2,857 meters]) on Unimak can be seen. Usually, however, the weather is wet and stormy, the winds horizontal and cutting, and the fog…
Read More

Aleutian Islands
Land
…square km) and extends between Unimak (east) and Attu (west) islands. The Aleutians provide a nesting habitat for tens of millions of seabirds, including auklets, puffins, murres, and fulmars. By protecting the wildlife of the islands (notably sea otters, sea lions, and seals) and regulating kills, the refuge has preserved…
Read More
…square km) and extends between Unimak (east) and Attu (west) islands. The Aleutians provide a nesting habitat for tens of millions of seabirds, including auklets, puffins, murres, and fulmars. By protecting the wildlife of the islands (notably sea otters, sea lions, and seals) and regulating kills, the refuge has preserved…
Read More