Various views of the unusual cliffs at Devils Postpile. Established in 1911 by presidential proclamation, Devils Postpile National Monument protects and preserves the Devils Postpile formation, the 101-foot Rainbow Falls, and the pristine mountain scenery. The Devils Postpile 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. Another wonder is in store just downstream from the Postpile at Rainbow Falls, once called ?a gem unique and worthy of its name?.
National Park Service
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