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 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.

Recent News


Flood Recovery Information

woman stands in a hip-high rut where a trail used to be

Due to the September 2013 flood, the Arapaho and Roosevelt National Forests and Pawnee National Grassland officials have closed some roads, trails, and facilities on the Boulder and Canyon Lakes ranger districts. Please use caution in all flood affected areas. Check our Flood Recovery page for closure details and information about the ARP's  response to the flood.

2012 ARP Accomplishment Report

image of the report cover including a fall colored grassland with a mountain range

This report provides highlights of our accomplishments in 2012. The 2013 Accomplishment Report should be available late Spring 2014. We hope you enjoy this issue and seeing these accomplishments as you visit the forest and grassland.

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Wilderness Act 50th Anniversary

Mitchell Lake in Indian Peaks Wilderness.

The ARP has 10 Wilderness areas congressionally designated  by the Wilderness Act of 1964.

Anniversary  online info

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.


Boulder Ranger District works to reduce hazardous fuels

Wildflowers growing amongst stumps in timber harvest site

Boulder Ranger District is reducing hazardous fuels in  coordination with towns and the county.

Warm brings lots of visitors to the ARP- Use caution.

Remember as you are out there enjoying the National Forest visitors to avoid congestion and safely disperse from other users when enjoying National Forest System lands