The Snake River Plain is a geologic feature located primarily within the U.S. state of Idaho. It stretches about 400 miles westward from northwest of the state of Wyoming to the Idaho-Oregon border. T
The Snake River cutting through the plain leaves many canyons and gorges, such as this one near Twin Falls, Idaho
The eastern Snake River Plain, image from NASA's Aqua satellite, 2008
Natural vegetation on the Snake River Plain near Twin Falls
The Huckleberry Ridge Tuff is a tuff formation created by the Huckleberry Ridge eruption that formed the Island Park Caldera that lies partially in Yellowstone National Park, Wyoming and stretches wes
The Huckleberry Ridge Tuff along the Gardner River near Osprey Falls, above Mammoth
Huckleberry Ridge ash bed