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.
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.
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.