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1. Devils Postpile National Monument
National ParksLearn and Explore
Since 1916, the National Park Service has been entrusted with the care of our national parks. With the help of volunteers and partners, we safeguard these special places and share their stories wit...
Devils Postpile Access Road
Mammoth Lakes, CA 93546
California
(760)934-2289
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Hours — Sun: 24 Hours
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Mammoth Lakes, CA.