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.

Contact the Park

Mailing Address:

1000 US Hwy 36
Estes Park, CO 80517

Phone:

(970) 586-1206
Have questions? We've got answers! Call 8am–4:30pm Mountain Time to speak with park staff (recorded information after hours). For Trail Ridge Road status, call (970) 586-1222.

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