Washington's Lake Chelan Is Hiding a 1,486-Foot Mystery — One of America's Deepest Lakes

Washington's Lake Chelan Is Hiding a 1,486-Foot Mystery — One of America's Deepest Lakes

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Discover Tube
Jul 12, 2026  #unitedstates

Hidden deep within Washington's Cascade Mountains lies one of America's most extraordinary lakes. In this documentary, we uncover the incredible geological story of Lake Chelan—a 50-mile-long, glacier-carved lake that plunges 1,486 feet deep, with a lakebed that lies below sea level. Discover its Ice Age origins, hidden history, remote wilderness, and the remarkable secrets that make Lake Chelan unlike anywhere else in North America.

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📚 Sources
U.S. Geological Survey (USGS) – Geologic Map of the Chelan Quadrangle
https://www.usgs.gov/maps/geologic-map-chelan-30-minute-60-minute-quadrangle-washington
USGS – Lake Chelan (Professional Paper No. 19)
https://pubs.usgs.gov/pp/0019/report.pdf
National Park Service – North Cascades National Park (Stehekin & Lake Chelan National Recreation Area)
https://www.nps.gov/noca/index.htm
Washington State Department of Ecology – Lake Chelan
https://ecology.wa.gov/
Script and research compiled by DiscoverTube.

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