A Violent Past, Calm Present, and Uncertain Future...

Craters of the Moon is a vast ocean of lava flows with scattered islands of cinder cones and sagebrush. We invite you to explore this "weird and scenic landscape" where yesterday's volcanic events are likely to continue tomorrow... Read More

white flowers on syringa

Wildflowers Bloom Throughout the Summer

Access images of common wildflowers, a seasonal list, and our popular Wildflower app.

Moon over Craters

2017 Eclipse Across America

Although Craters of the Moon is outside of the path of totality, we are hosting events at the park and an eclipse viewing event in Arco.

Ranger guiding walk

Summer Walks and Talks

Join us for a variety of Ranger-guided walks and talks.

Last updated: July 3, 2017

Contact the Park

Mailing Address:

Craters of the Moon National Monument and Preserve
P.O. Box 29

Arco, ID 83213


(208) 527-1300

Contact Us