Global Volcanism Program | Image GVP-03250

Image GVP-03250

Bumpass Hell, the largest hydrothermal area at Lassen volcano, located south of Lassen Peak, contains steaming fumaroles and mudpots. It was named after its discoverer, a noted hunter and mountain man who suffered severe burns when he broke through the thin crust of the thermal area. Copyrighted photo by Katia and Maurice Krafft, 1989.

Bumpass Hell, the largest hydrothermal area at Lassen volcano, located south of Lassen Peak, contains steaming fumaroles and mudpots. It was named after its discoverer, a noted hunter and mountain man who suffered severe burns when he broke through the thin crust of the thermal area.

Copyrighted photo by Katia and Maurice Krafft, 1989.

Lassen Volcanic Center

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Image GVP-03250