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Rocky Mountain National Parkphoto of hikers on Bierstadt trail
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Rocky Mountain National Park
Zooplankton
For information on zooplankton research in Rocky Mountain National Park, click here.
A photo of arrowheads that archeologists found in the park.  

Did You Know?
The area now known as Rocky Mountain National Park has been occupied by human beings for 10,000 years. Archeologists have found more than 300 prehistoric sites at elevations ranging from 8,000 to 13,000 feet above sea level.
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Last Updated: December 05, 2006 at 16:39 EST