Best Lassen
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Bumpass Hell is a striking mudpot basin within Lassen Volcanic National Park. It’s notable for being the park's largest hydrothermal area characterized by intensely sulfuric steam and boiling mud formations. The area gained its name from Kendall Bumpass, who suffered burns during an encounter with t...
Sulphur Works is a roadside hydrothermal area in Lassen Volcanic National Park, California, representing a remnant volcanic vent on the southwestern flank of Lassen Peak.
Devil's Kitchen is a backcountry hydrothermal area in Lassen Volcanic National Park, California, featuring mudpots and fumaroles in a forested setting near Juniper Lake.
Terminal Geyser Mudpots is a hydrothermal area in Lassen Volcanic National Park, California, where steam vents and mudpots cluster despite the misleading geyser name.
Bumpass Hell is the largest hydrothermal area in California's Lassen Volcanic National Park, featuring boiling springs, mud pots, and powerful sulfur fumaroles.
Little Hot Springs Valley Mudpots is a backcountry hydrothermal area in Lassen Volcanic National Park, California, accessible by trail and featuring boiling mud pools.
Sulfur Works is an accessible geothermal area in Lassen Volcanic National Park, California, marking the vent of a former massive volcano with active gas emissions.
