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


Fire Restrictions in Effect on Four Ranger Districts

Fire Restrictions are in effect for the Boulder, Canyon Lakes, Sulphur and Clear Creek Ranger Districts of the Arapaho and Roosevelt National Forests. Additionally a restriction on discharging a firearm on National Forest System lands in Boulder County was put in place.  Know before you go!

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.  

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Magnolia Trails Draft Decision Released

Man mountain bikes down narrow trail through trees

Learn about the draft decision and see highlights, maps and documents from the Magnolia Trails Project.

Forsythe 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.

Forest Plan Monitoring Transition

Cover of the Forest Plan

The Forest is seeking public input on its proposed monitoring plan to ensure consistency with the 2012 Planning Rule. Learn More:....