From the northern peaks of the Rocky Mountains all the way to the southern Chihuahuan Desert, the regional office serving the Department of Interior Regions 6, 7, and 8 includes 85 park units within eight states of the American West. These regions span the states of Texas, Oklahoma, New Mexico, Colorado, Utah, Wyoming, Arizona, and portions of Montana (in Regions 5 and 9) making the size of the region larger than the size of the Louisiana Purchase of 1803. With around 11.2 million acres of public land, the region hosts over 57 million visitors annually. 

The region employs approximately 5,700 people and hosts more than 25,500 volunteers during peak travel seasons. The regional office is located in Lakewood, Colorado, with remote offices in Santa Fe, New Mexico; Phoenix, Arizona; and Tucson, Arizona. 

Bison group move at sunrise through Lamar Valley in Yellowstone NP

Parks of the Region

Explore the vast and diverse landscapes and rich cultural heritage of the Region.

Big Bend NP employee talking to the media about a wildfire in the distance.


Check out what's happening across the region.

Employee raptor monitoring at Arches NP

What We Do

Learn how the regional office supports the National Park Service mission.

Dancers at La Fiesta de Tumacácori


Search upcoming events in the region.

Coyote in Glacier National Park

Contact Us

Have an idea or question? Give us a howl!

Youth Conservation Corp in Yellowstone National Park

Get Involved

Discover opportunities to give back to your parks.

Last updated: February 22, 2022