The Aleutian Islands are a chain of small islands that separate the Bering Sea (north) from the main portion of the Pacific Ocean (south). They extend in an arc southwest, then northwest, for about 1,100 miles (1,800 km) from the tip of the Alaska Peninsula to Attu Island, Alaska, U.S. The Aleutians occupy a total area of 6,821 square miles (17,666 square km).

The archipelago consists of 14 large islands, some 55 smaller islands, and innumerable islets. Nearly all of them are part of the U.S. state of Alaska.

The archipelago’s climate is characterized by fairly uniform temperatures throughout the year, high winds, heavy precipitation (mostly rainfall), and persistent fog. The Aleutians are practically devoid of trees but are covered with a luxuriant growth of grasses, sedges, and many flowering plants.

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