Aleutian Range


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Aleutian Range,

volcanic mountain chain, c.1,600 mi (2,600 km) long, SW Alaska, extending W from Anchorage along the Alaska Peninsula, and continuing, partly submerged as the Aleutian IslandsAleutian Islands
, chain of rugged, volcanic islands curving c.1,200 mi (1,900 km) west from the tip of the Alaska Peninsula and approaching Russia's Komandorski Islands.
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, to Attu island. Mt. Redoubt (10,200 ft/3,109 m), an active volcano, is the highest peak. Part of the volcanic belt that rings the Pacific Ocean, the Aleutian Range contains many active volcanoes. The sites of some of the most notable eruptions are in Aniakchak National Monument and PreserveAniakchak National Monument and Preserve
, on the Alaska Peninsula, SW Alaska. Located in the Aleutian Range, the monument (137,176 acres/55,556 hectares) and surrounding preserve (465,603 acres/188,569 hectares) feature the Aniakchak volcano (4,420 ft/1,347 m high), which last
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, Katmai National Park and PreserveKatmai National Park and Preserve
, at the northern end of the Alaska Peninsula on Shelikof Strait, S Alaska, comprising Katmai National Park (3,674,530 acres/1,487,664 hectares) and an adjoining preserve (418,699 acres/169,514 hectares).
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, and Lake Clark National Park and PreserveLake Clark National Park and Preserve,
S Alaska. Located across Cook Inlet from Anchorage, the park (2,619,733 acres/1,060,621 hectares) and adjacent preserve (1,410,325 acres/570,982 hectares) feature the jagged peaks of the Chigmit Mts; lakes Clark, Fishtrap, and Iliamna;
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Aleutian Range

 

a mountain range in North America on the Alaskan peninsula. The eastern continuation of the Aleutian Island ridge, it is about 850 km long. It consists of a chain of young Neocene-Quaternary volcanic cones rising to an altitude of 2,500–3,000 m. The highest peak is Mount Redoubt at 3,108 m. There are ten active volcanoes, including the Iliamna, the Katmai, and the Pavlov. The range still bears traces of the ice age. The highest peaks are covered with permanent snow and small glaciers and the slopes with subarctic meadows and mountain tundra.