• Devils Postpile Formation

    Devils Postpile

    National Monument California

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  • Monument Open Until October 31, Visitor Services Limited this Fall

    Devils Postpile and the Reds Meadow Valley will be open until October 31, weather permitting. The shuttle bus is no longer running so visitors can drive their vehicles into the monument. Parking is limited and can be full on weekends, plan accordingly. More »

  • 37-Foot Vehicle Length Restriction on the Devils Postpile Access Road

    Devils Postpile has a limit of 37 feet for vehicles on the monument road. This may change during weather events, construction activities, vehicle congestion, or for safety reasons. Call or email for more information. More »

Environmental Factors

Air Quality

Nonnative Species

Information about climate change, weather, fire, and hydrology coming soon!

Did You Know?

The tops of the Postpile's columns

Devils Postpile is one of the finest examples of columnar basalt in the world. Approximately 55% of the formation's columns are six-sided. More...