• 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.

Geologic Formations

Devils Postpile National Monument was created to protect one of the best examples of columnar basalt in the country. The geologic story of the monument, however, neither begins nor ends with the Postpile itself. Although that is a very important part of the story, the rest of it involves violent uplifts, rivers of fire and ice, and the slow workings of wind and water to form the magnificent geology of this area. To learn more, visit our geology page.

Did You Know?

The top of Devils Postpile's new meteorological station.

In the fall of 2005, a new meteorological (met) station was installed in Soda Springs Meadow at Devils Postpile. It joins a network of other weather stations throughout the Sierra Nevada that provide important data to climate research and the management of California's hyrdologic resources. More...