Mount Hood | Mountain, Oregon, United States | Britannica

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External Websites

• Oregon Encyclopedia - Mount Hood, Oregon, United States
• ScholarWorks at Central Washington University - Historical Glacier and Climate Fluctuations at Mount Hood, Oregon
• USGS - Mount Hood, Oregon, United States
• Oregon State University - Volcano World - Hood
• Oregon State University - Watershed Processes Group - Geologic History of Mount Hood Volcano, Oregon - A Field-Trip GuideBook

Mount Hood mountain, Oregon, United States Ask Anything Homework Help Written and fact-checked by Britannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Britannica Editors Last updated Dec. 19, 2025 •History Britannica AI Ask Anything Table of Contents Table of Contents Ask Anything

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Mount Hood, highest peak (11,239 feet [3,425 metres]) in Oregon, U.S., and the fourth highest peak in the Cascade Range, 45 miles (70 km) east-southeast of Portland. It is a dormant volcano 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 British admiral 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 of Mount Hood National Forest, a popular tourist and recreation area that extends along the Cascade Range from the Columbia River.

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