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 up to 60 feet and display a striking symmetry.

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

Entrance sign along the road reads "Entering Devils Postpile National Monument."
Getting Around

Find information on how to get to Devils Postpile National Monument, vehicle limitations, and public transportation.

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: December 16, 2025

A Rare Geologic Wonder!

Contact Info

Mailing Address:

PO Box 3999
Mammoth Lakes, CA 93546

Phone:

760 934-2289

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