National Park Service LogoU.S. Department of the InteriorNational Park ServiceNational Park Service
National Park Service: U.S. Department of the InteriorNational Park Service Arrowhead
 
 
Making America's Best Idea Even Better
Rocky Mountain National Parka photo of snow in the mountains
view map
text size:largestlargernormal
printer friendly
Rocky Mountain National Park
Fall Leaves
a photo of fall leaves
Photo courtesy of Rocky Mountain National Park.


  
Aspen leaves turn golden in the fall due to their carotene accessory pigments while Fremont geranium (Geranium caespitosum) leaves have turned red because of their anthocyanin accessory pigments.
a photo of treeline in Rocky Mountain National Park  

Did You Know?
If the current amount of total nitrogen deposition measured at the high-elevation monitoring site in Rocky Mountain National Park (4 kg/ha/yr) was the same throughout the park, the amount of airborne nitrogen entering the park would be equivalent to 943,000 twenty-pound bags of fertilizer.
more...

Disclaimer Accessibility Privacy Policy FOIA Notices USA.gov

Last Updated: July 18, 2007 at 12:31 EST