Bumpass Hell
A 3-mile round trip to the largest hydrothermal area.

A little Yellowstone in Northern California, with steaming vents, mud pots and all four kinds of volcano.
Lassen Peak erupted from 1914 to 1917, the most recent in the lower 48 before Mount St. Helens. Bumpass Hell's boardwalk passes boiling pools. The 2021 Dixie Fire burned much of the park's eastern side.
A 3-mile round trip to the largest hydrothermal area.
A steep 5 miles round trip to 10,457 feet.
A lovely lake with kayaks and mountain reflections.
Stay in Chester or Mineral.
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Worth a DetourA lone snow-capped volcano held sacred by local tribes and a magnet for seekers of every kind, with alpine lakes, wildflower meadows and the springs of the Sacramento River.
Last checked 2026-11-02. Part of the California list.