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Encyclopedia Britannica
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Mount Hood
Mount HoodMount Hood reflected in Trillium Lake, Oregon.

Mount Hood

mountain, Oregon, United States
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Mount HoodMount Hood, with Lost Lake in the foreground, Oregon.
Mount HoodMount Hood, as seen from Trillium Lake, Oregon.

Mount Hood, highest peak (11,239 feet [3,425 metres]) inOregon, U.S., and the fourth highest peak in theCascade Range, 45 miles (70 km) east-southeast ofPortland. It is a dormantvolcano that last erupted about 1865, with minor steam and ash (tephra) emissions in 1903;debris flows, glacial flooding, and earthquakes regularly occur there. First sighted in 1792 by the English navigator William Broughton, and named for the Britishadmiral Lord Hood, the snowcapped peak was used as a landmark by early settlers. Twelve glaciers and snowfields cover approximately 80 percent of Mount Hood’s cone above the 6,890-foot (2,100-metre) level.

Mount Hood is the focal point ofMount Hood National Forest, a popular tourist and recreation area that extends along the Cascade Range from theColumbia River.

The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated byJohn M. Cunningham.

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