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 our Visitor Guide for information about recreation opportunities, safety tips, and exciting places to visit! Check our recreation page to find places to hike, camp, picnic and more.

Recent News


Recreational Sport Shooting Management Partnership Virtual Meeting April 13

Image of the Partnership logos placed on an illustration of a mountain range with a lake and target.

 Learn more about the Northern Front Range Recreational Sport Shooting Management Partnership. The Partnership includes Boulder, Clear Creek, Gilpin and Larimer counties; Colorado Parks and Wildlife and the Arapaho and Roosevelt National Forests. Watch the video of the April 13 Virtual meeting.

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 and progress.

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Tip of the Month: Your Destination May Still Be Closed

Rollins Pass Road on a typical day in June

When temperatures heat up in Denver, many head up into the mountains expecting everything to be open. Many higher elevation roads and campgrounds are still closed.

Work off your ANRA Pass on May 16

view of lake from pine beach picnic area

Volunteers can earn a free Arapaho National Recreation Area Annual Pass by helping collect trash and debris along shorelines, boat launches and picnic areas. Learn more  


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.