Lassen Volcanic National Park: Bumpass Hell to Kings Creek Campground

Hit two alluring lakes while exploring a landscape carved by fire and chiseled by ice on this picturesque 9.2-mile out-and-back lined with plentiful wildflowers.

Photo: Kevin Schafer via Getty Images

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Location: 40.466099, -121.514099

Gradual 500-ft. climb; to southeast, see Bumpass Mountain and surrounding terrain


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Descend into thermal area


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Left at 3-way to overlook of park’s largest geothermals. Stay on trails and boardwalks that protect brittle crusts.


Location: 40.45752, -121.5028

Bumpass Hell Overlook; thermal warning! Watch steam vents and mud pots. The man who gave Bumpass Hell its name lost a leg after falling into the boiling waters.


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Traverse beautiful meadows; glimpses of Crumbaugh Lake.


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Cold Boiling Springs Lake, where trapped CO2 gas rises and mimics boiling.


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Right at 3-way to Crumbaugh Lake; descend through cool forests.


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Left at 3-way; see Crumbaugh Lake. Lava cliffs encircle lake basin.


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Crumbaugh Lake. Take in secluded olive-green cradle ringed with greenery. Return to waypoint 7; turn right, heading east/northeast to Kings Creek Campground.


Location: 40.459911, -121.474503

Kings Creek picnic area; retrace route to car. Sidetrip: 1.9-mi. and trek east along road to Kings Creek Falls for photogenic 30-ft. cascades; follow signs.

From 2022