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


Arapaho and Roosevelt National Forests Recreational Sport Shooting Project

Portion of a map of the forest with the proposed recreation sport shooting action displayed.

Check out the new interactive map published for the Recreational Sport Shooting Project.

 Learn more about the proposed Forest Plan Management Direction for recreational sport shooting activities on National Forest System lands in Boulder, Clear Creek, Gilpin, Grand, Jefferson, Larimer and Park counties.  

Flood Recovery Information

Boulder County Flood Crew helps stabilize trails in Lefthand OHV area.

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: Christmas trees, roads and campgrounds

Christmas tree gathering

 Learn more about Christmas trees, road status and campground availability in winter.

Forythe II Project Information

Thick trunks of lodgepole pine

The U.S. Forest Service's Boulder Ranger District is developing a proposed action to restore landscapes in the wildland urban interface near Nederland and Gross Reservoir.

2016 Temporary Employment Information

Fish crew members carry nets in the field.

 Find out how to apply for the 2016 Field Season.