The Arapaho and Roosevelt National Forests and Pawnee National Grassland are located in the north central part of Colorado.
Where is this Forest?


The Arapaho and Roosevelt National Forests and Pawnee National Grassland (ARP) is located in north central Colorado. The forests and grassland encompasses 1.5 million acres and extends north to the Wyoming border, south of Interstate 70 to Mount Evans, west across the Continental Divide to the Williams Fork area and includes short grass prairie east of I-25. The forests and grassland is head-quartered in  Fort Collins, with district offices in Boulder, Fort Collins, Idaho Springs, Granby and Greeley.

Planning a trip? Check out the ARP Visitor Guide for information about recreation opportunities, safety tips, and exciting places to visit! Watch a video overview to take a peek at what the forest has to offer.

Recent News


Flood Recovery Information

Poudre Wilderness Volunteers has hosted more than a dozen workdays on flood damaged trails

Due to the September 2013 flood, the Arapaho and Roosevelt NFs and Pawnee NG officials have closed some roads, trails, and facilities on the Boulder and Canyon Lakes ranger districts.  Check our Flood Recovery page for closure details and information about the ARP's  response. Learn more about the National Forests recovery progress one year later.

September Tip of the Month: Viewing Fall Colors

Aspen in full color

September brings the end of summer and the beginning of autumn’s brilliant displays of color. Mid-September to mid-October are the best times to visit the high country for the yellow aspen. Find out more about the best places to view fall colors, photos and more in the September Tip of the Month.

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Wilderness Act 50th Anniversary

Mitchell Lake in Indian Peaks Wilderness.

The ARP has 10 Wilderness areas congressionally designated  by the Wilderness Act of 1964.

Anniversary  online info

Pawnee National Grassland Oil and Gas Project Information

An oil rig facility on the Pawnee National Grassland.

Interest in oil and gas proposed projects on the Pawnee National Grassland continues to rise. Find information on projects, frequently asked questions and links to other useful sites here.