Bumpass Hell is the largest of the eight hydrothermal area in the park. The Bumpass Hell Trail provides access to the 16-acre basin of plopping mudpots, bubbling pools, and roaring steam vents.
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Bumpass Hell Overlook Then and Now
Bumpass Hell basin from west overlook circa 1930-1934.
Credit: NPS Photo/Arthur G. Holmes
Bumpass Hell basin from west overlook in 2018.
Credit: NPS Photo/Amanda Sweeney
Last updated: April 19, 2021
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