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


Expect Wet Conditions

A high,fast moving Cache la Poudre River

The rain and in some places snow have made conditions very soggy in several locations. Rivers and streams are running fast and high. Some roads are delayed in opening. Roads that are open have saturated soils. Please respect gates and do not create new paths. Before you head out on your visit please check for closures, weather and road conditions and be prepared for all types of weather. Check out these helpful links as you plan your trip.  

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.

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.