• Devils Postpile Formation

    Devils Postpile

    National Monument California

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  • Devils Postpile National Monument is Open for the Season

    Devils Postpile is open for the 2014 season. The ranger station will be open daily from 9am-5pm. The Devils Postpile campground is open. Ranger walks to Devils Postpile occur daily at 11 am. More »

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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.