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Yellowstone National ParkVisitors enjoy a stroll along a boardwalk near a thermal feature.
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Yellowstone National Park
Terrain Currently Used by Nonmotorized Use
Detailed map of nonmotorized use in and around Yellowstone National Park
Upper Geyser Basin Hydrothermal Features on a Winter Day.  

Did You Know?
Yellowstone contains approximately one-half of the world’s hydrothermal features. There are over 10,000 hydrothermal features, including over 300 geysers, in the park.

Last Updated: September 11, 2006 at 15:44 EST