Devils Postpile National Monument, Mammoth Lakes

About Devils Postpile National Monument

Devils Postpile National Monument near Mammoth Lakes features a rare geologic formation of tall basalt columns that visitors can view and explore. The postpile itself consists of distinctive hexagonal basalt formations created by ancient lava flows, surrounded by forest. The monument offers hiking opportunities where families can walk among the columns and experience the geological landscape up close. The area includes Reds Meadow, which provides additional access to the monument's natural features. Visitors can bring pets to explore designated areas of the monument. The site provides public transportation options for getting around, and vehicle access has certain limitations. The monument also monitors air quality conditions for visitors planning their trips. This location suits geology enthusiasts, hikers, and families interested in natural wonders formed by volcanic activity.