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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.
Information to help you plan your adventure at Devils Postpile National Monument
Prepare for bringing your pet to Devils Postpile National Monument
Find information on how to get to Devils Postpile National Monument, vehicle limitations, and public transportation.
Learn what Devils Postpile staff is doing to monitor air quality at the monument
Last updated: December 16, 2025
