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Area: Eastern Sierras / Mammoth Lakes   

State: California    Elevation: 7,680 ft

Lat: 37.7502097*   Long: -118.8762482*

*Lat and long disclaimer

What's Near Long Valley Caldera?
(miles) 10 20 30 40 50

Getting There

The Long Valley Caldera is the massive, depressed area with Mammoth Lakes to the West, Crowley Lake to the Southeast and the Glass Mouantins to the north. From HWY 395, just north of the Mammoth Lakes area, turn east onto Owens River Road for about 4 miles.

Long Valley Caldera

Spot Comments:

  • Many of us have for years been waiting for the Long Valley Caldera to blow like Mt St Helens, but so far, I'm happy to report, it has held off.

  • Posted by Dughlas Stiubhart on Aug-25-2010

  • When you think of all the hot springs, cinder cones, volcanoes (Mammoth Mountain), and continuing earthquakes in this area, there is able evidence this area is still very geologically active. Over the years various campgrounds have been closed because of CO2 emissions from the ground, The Long Valley Caldera is what is left of one the biggest eruptions in North America. Like we hear about many other volcanic areas, it will happen again.

  • Posted by ski3pin on Aug-25-2010

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