• Devils Postpile Formation

    Devils Postpile

    National Monument California

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  • Devils Postpile National Monument Road Closed for the Season

    The road to Devils Postpile has been closed for the season. This will be updated as soon as a 2014 opening date has been announced.

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.

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Did You Know?

The

The Devils Postpile that you see today is only a fraction of the size the original lava flow formation that filled this valley. Natural processes, especially glaciers, have eroded the rest.