• 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 »

Devils Postpile: Exploring Big Pictures through a Small Lens

Spectacular geologic formations and captivating hydrologic features— Devils Postpile holds adventure and exploration for your students, whether you're able to visit in person or not. Find field trip information, lesson plans, and loan materials under Parks as Classrooms. Can't visit in person? Find out how to bring a ranger into your classroom virtually under Distance Learning. 

Planting trees along the river at Devils Postpile