• View of the Great Rift

    Craters Of The Moon

    National Monument & Preserve Idaho

Cooperating Association

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"Craters of the Moon Natural History Association is a non-profit organization
dedicated to assisting the National Park Service in interpretive, scientific,
historical, and educational activities."
for more information and the on-line bookstore.

Did You Know?

Did You Know?

Watch out for bombs! Before they cooled, volcanic bombs were hot globs of lava that were hurled from volcanoes along the Great Rift. They form a variety of interesting shapes described as "breadcrust", "spindle" and "ribbons" by geologists. More...