Island Park Caldera Photos

Meet 6 travelers, 3 tour guides and discover 88 photos

The Island Park Caldera is the older and much larger caldera, with approximate dimensions of 58 by 40 mi (93 by 64 km). Its ashfall is the source of the Huckleberry Ridge Tuff that is found from southern California to the Mississippi River near St. Louis.
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Caldera View - Island Park

Island Park Caldera - Idaho

Island Park Caldera

Island Park Caldera Ice Covered

Island Park Landscape

Black Canyon

Caldera Views

Snake River Within Caldera

Need For Snowmobile

Island Park 2008

Inside Island Park Caldera