Bumpass Hell

Trail in Lassen Volcanic · California

3.0 mi · 1,110 ft gain · 1h 33m · Out & back.

A boardwalk hike to the park's largest hydrothermal area, passing boiling mud pots, sulfur vents, and steaming pools, with interpretive signs on the geology.

Trailhead: 40.4660, -121.5141.

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