A Geologic Wonder

Established in 1911 by presidential proclamation, Devils Postpile National Monument protects and preserves the Devils Postpile formation, the 101-foot high Rainbow Falls, and pristine mountain scenery.  The formation is a rare sight in the geologic world and ranks as one of the world's finest examples of columnar basalt. Its columns tower 60 feet high and display an unusual symmetry. Read More

From a distance, tall basalt columns form the Devils Postpile formation and is surrounded by trees.

Plan Your Visit

Information to help you plan your adventure at Devils Postpile National Monument

A dog looks to the side

Pets in the Monument

Prepare for bringing your pet to Devils Postpile National Monument

Rainbow Falls is formed by the San Joaquin flowing over a 101 ft cliff.

National Park Service Centennial

Find out how you can join Devils Postpile in the celebration of the 100th birthday of the National Park Service.

Smoke obscures the mountain ranges across the valley.

Air Quality at the Monument

Learn what Devils Postpile staff is doing to monitor air quality at the monument

Last updated: November 17, 2017

Contact the Park

Mailing Address:

PO Box 3999
Mammoth Lakes, CA 93546


(760) 934-2289

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