• Photo of park visitors enjoying sunset from the Alpine Ridge Trail in Rocky Mountain National Park.

    Rocky Mountain

    National Park Colorado

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  • Impacts from September 2013 Flood - Old Fall River Road, Alluvial Fan and Trails

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Trees in Winter

a photo of fall aspen leaves
Aspens (Populus tremuloides) lose their leaves in winter and must grow new ones in the spring to be able to photosynthesize.
Photo courtesy of and copyrighted by Ernie Bernard.
 
a photo of Englemann spruce
An Engelmann spruce (Picea engelmannii) keeps its needles all winter to be able to photosynthesize quickly in Rocky Mountain National Park.
Photo courtesy of and copyrighted by Ernie Bernard.

Did You Know?

a graphic of the Rocky Mountain Nature Association logo, a bighorn sheep ram

RMNA has 3,000 members who support the park through their purchases, volunteer efforts, and donations. More...