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Lobby > Exhibits > Why Geysers Erupt > Underlying Geology > Yellowstone's Hot Water Taps

Yellowstone's Hot Water Taps

Most of Yellowstone’s geyser basins are located within the Yellowstone Caldera, overlying a body of partially molten rock. The park’s famous hydrothermal features would not exist without the tremendous heat generated by this shallow magma.

Map showing locations of the park's major geyser basins

  Next: Geyser Ingredients



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This work is supported by

National Science Foundation    Yellowstone Park Foundation


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