Bumpass Hell Photos

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Near Little Hot Springs Valley is Bumpass Hell, which is a hydrothermally altered geothermal area that spans 16 acres (65,000 m²) and has hot springs, fumaroles, and mud pots. Never part of Mount Tehama's main vent, Bumpass Hell is the result of fissures that tap the volcanic heat (which is thought to be a cooling mass of andesite,…
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Bumpass Hell

Boiling Pools Inside Bumpass Hell