Cascade Range and Columbia Plateau

Geology Picture Gallery

Cascades and Columbia together		Columbia Plateau country
Urban basalt vehicle		Basalt cliffs, Columbia River
Basalt up close		Basalt stripped bare
Ash and lava bombs		Plucking
Cinder cone cross section		Deschutes River canyon
Lava flows over existing terrain		Pit River Canyon, California

Cascade peaks:

Mount Lassen, California
Mount Shasta, California
Crater Lake Caldera, Oregon
Mount McLoughlin, Oregon
South Sister, Oregon
Mount Belknap, Oregon
Mount Washington, Oregon
Mount Jefferson, Oregon
Mount Hood, Oregon
Sleeping Indian, Oregon
Mount St. Helens, Washington
Mount Rainier, Washington

More Cascade Peaks from the U.S. Geological Survey

Geologic maps:

California
Oregon
Washington

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