Landforms of the Pacific Northwest
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Abert Rim, Oregon, one of the highest fault scarps in the United States
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Fort Rock, a tuff ring in Central Oregon
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Mount St. Helens, Washington, blows off steam.
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Beacon Rock, Washington, the core of an ancient volcano.
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Mount Hood, Oregon, still active
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Koosah Falls, McKenzie River, Oregon
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Hells Canyon on the Oregon — Idaho border
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Haystack Rock at Cannon Beach, Oregon, an old lava flow.
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Basalt flow on Craters of the moon, Idaho
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The Columbia Gorge
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Oregon Caves National Monument.
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Pumice Plateau, Central Oregon
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Yeager Rock, Washington, a glacial erratic
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Palouse Falls, Washington, a remnant of the Missoula Floods
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Dry Falls, Washington, a remnant of the Missoula Floods.
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Hoodoos at John Day Fossil Beds, Oregon.
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The Channeled scablands, Washington, a remnant of the Missoula Floods.
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Mount Fee, Canada, an inactive volcanic plug.
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Rogue River exiting a lava tube
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The Sisters, a residual of the Missoula Floods in the Wallula Gap.
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Mount Adams, Washington, still active
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Steens Mountain, a fault-block mountain in Eastern Oregon.
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Three Sisters, Oregon. The South Sister has shown recent geologic activity.
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Newberry caldera, Oregon
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Belknap Crater, Oregon
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Three Fingered Jack, Oregon, long dormant
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A playa in the Alvord Desert, Oregon
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Mount Shasta, California, dormant but likely to erupt again
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Broken Top, a dormant Oregon stratovolcano.
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Mount Cayley, Canada, seismically active
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Lassen Peak, California, likely to erupt again
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Moses Coulee, Washington, a remnant of the Missoula Floods.
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Mount Garibaldi, Canada, seismically active.
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The Willamette Meteorite, a glacial erratic.
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Mount Edziza, Canada, seismically active
