• 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 »

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...