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.
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 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.