• Devils Postpile Formation

    Devils Postpile

    National Monument California

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  • 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 »

Park Statistics

FAST FACTS

Established: July 6, 1911
Designation: National Monument
Size: 798 acres
Wilderness: 747 acres (Ansel Adams Wilderness)
Elevation: 7,560 feet above sea level (at the Ranger Station)
Average Annual Visitation (last 4 years): 103,258
Miles of Trails: 8
Closest town: Mammoth Lakes, CA

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...