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Rocky Mountain National ParkA photo of climbers preparing for the first technical climb of the east face of Longs Peak.
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Rocky Mountain National Park
Lenticular Clouds
a photo of  lenticular clouds
Photo copyright University Corporation for Atmospheric Research, photo by Carlye Calvin.
Lenticular clouds result from stable, moist air masses and strong winds in mountain environments.
A photo of a volunteer giving a camera to a visitor for a research project.  

Did You Know?
Rocky Mountain National Park volunteers give more than 100,000 hours a year to the park. That equals approximately 48 full-time employees.
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Last Updated: July 21, 2007 at 10:47 EST