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Making America's Best Idea Even Better
Yellowstone National ParkVisitors enjoy a stroll along a boardwalk near a thermal feature.
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Yellowstone National Park
Junction Fire Report
 
Junction Fire Cover Sheet
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.

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Last Updated: June 18, 2007 at 18:43 EST