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Nature & Science Home

The Arapaho and Roosevelt National Forests and Pawnee National Grassland (ARP) is open to anyone, but how much do you know about the plants, animals and other natural features of the area? Find out more about the physical, biological and ecological aspects of northern Colorado that makes the area unique. Valleys were carved out and lakes left behind. This created the land that early American Indians inhabited, and Eastern settlers viewed in awe.

The Forests and Grassland varies in elevation and ecosystems.  Ecosystems includes short-grass prairies around 5,000 feet;  Montane from 6,000 to 9,000 feet; Subalpine from 9,000 to 11,200 feet; and Alpine/Tundra above 11,200 feet. 

Animals

Numerous streams, lakes, reservoirs, varied topography, climate, and vegetation of the Arapaho and Roosevelt National Forests and Pawnee National Grassland provide habitats for an abundance of native fish and wildlife, including many of the most striking animals found in North America. While visiting the ARP, you may spot prairie dogs, antelope, deer, elk, bobcat, moose, squirrels, big horn sheep, mountain goats, black bears and pika, just to name a few.  The sky is full of amazing birds on the ARP.  The Pawnee National Grassland is well-known for its birding and you could spot mountain plovers, burrowing owls, ferrugionous hawks, lark buntings and others.  The Forests are also full of birds such as Stellar's Jay, raven, western bluebird, ptarmigan, moutain chickadee, and the list goes on.

Plants

The Arapaho and Roosevelt National Forests and Pawnee National Grassland contains a variety of trees and plants for visitors to enjoy.  On the Grassland you can find cottonwoods and willows, along with an abundance of wildflowers and cactus.  As you make your way up the mountains, you will encounter Ponderosa pine, lodgepole pine, Douglas-fir, Rocky Mountain juniper, aspen, willows, and many other trees, shrubs, and flowers.

Research

The Rocky Mountain Research Station supports our natural resource programs through research and development of state-of-the-art management tools

Water, Air & Soil

The stewardship of water, soil and air resources is an important part of Arapaho and Roosevelt National Forests and Pawnee National Grassland management.

 





https://www.fs.usda.gov/detail/arp/learning/?cid=fsm91_058299