Trailwind
National monument · CA

Devils Postpile National Monument

National Park Service
DesignationNational monument
StateCA
Managed byNational Park Service
Best seasonJun–Sep
On the map
Map showing the location of Devils Postpile National Monument

About Devils Postpile National Monument

Established in 1911 by presidential proclamation, Devils Postpile National Monument protects and preserves the Devils Postpile formation, the 101-foot high Rainbow Falls, and pristine mountain scenery. The formation is a rare sight in the geologic world and ranks as one of the world's finest examples of columnar basalt. Its' columns tower up to 60 feet and display a striking symmetry.

Things to do

CampingFishingHikingWildlife viewing

When to go

JanFebMarAprMayJunJulAugSepOctNovDec
Best Jun–SepAverage low–high: 47–72°FAverage monthly sunny share of daylight: 75%4.0 wet days / month
Weather data & source

Each figure averages the highlighted months. 2018–2023 averages, not a forecast. Wet days estimate days with at least 1 mm of rain or snow using a calibrated ERA5 threshold. Contains modified Copernicus Climate Change Service information. Weather data by Open-Meteo.com (AWS Open Data, CC BY 4.0). ERA5 via Open-Meteo AWS Open Data

Plan your visit

Devils Postpile National Monument is managed by National Park Service. Check current conditions, permits, and reservations before you go.

See it on Recreation.gov →