Devils Postpile National Monument showcases one of the world's finest examples of columnar basalt formations, created by ancient volcanic activity in California's Sierra Nevada mountains. Families are captivated by the towering 60-foot hexagonal columns that look like a giant's pipe organ, plus the stunning 101-foot Rainbow Falls nearby.
Junior Ranger Program at Devils Postpile National Monument
The Junior Ranger program at Devils Postpile engages kids with hands-on geology activities and volcano experiments that bring the monument's fascinating formation story to life. Young rangers complete an activity booklet while exploring the iconic postpile formation and learning about the area's unique ecosystem and wildlife.
- Touch and examine real volcanic rock samples up close
- Learn how massive ice age glaciers carved the landscape
- Spot rainbow colors in the mist at Rainbow Falls on sunny days
Planning Your Visit
Van Life Tip: Park at the Mammoth Mountain Adventure Center and take the mandatory shuttle to Devils Postpile, as private vehicles aren't allowed on the access road during peak season.
Plan Your Stay
Save on park entry with the America the Beautiful Pass — $80 for unlimited access to all 400+ National Park sites for a full year.
Where to Stay
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