Steaming, Boiling, Erupting

What do you get when you combine a lot of water with intense heat? Hot springs, geysers, mud pots, and more. These geothermal features, and the processes that create them, are on display in some national parks. While Yellowstone’s geyser basins are the most well-known example, you can find geothermal features in many different parks. One national park even takes its name from hot springs! Explore geothermal features in parks.

Map of the United States showing all units of the National Park System

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Last updated: September 22, 2017