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279. Pawnee National Grassland, Weld County, Colorado

One of the primary breeding grounds in the world for Mountain Plover, plus a great spot to see Thick-billed Longspur, Lark Bunting, and Golden Eagle.

Pawnee is one of 20 grasslands throughout the western Great Plains that were established after the Dust Bowl in the 1930s. The goal was to initiate a grassland recovery effort after intense farming led to soil erosion that devastated the land and farming families. Since then, biodiversity here has expanded and now has many birds, mammals, reptiles, insects, amphibians, and fish. During the breeding season, Pawnee is home to the regionally endemic Mountain Plover and Thick-billed Longspur. Colorado’s state bird, the Lark Bunting, arrives in May in dense flocks — quite the spectacle. You may even catch a glimpse of a Golden Eagle snatching a jackrabbit for breakfast.

Don’t miss the Pawnee Buttes, the most notable geologic feature of the grasslands. Stop at the trailhead and hike among the badland-like formations; you’ll probably see Say’s Phoebe, Cliff Swallow, or Rock Wren.

I love living and working in the prairie. Wayne Fields, in a 1988 essay in American Heritage magazine, wrote this about the ecosystem: “The prairie, in all its expressions, is a massive, subtle place, with a long history of contradiction and misunderstanding. But it is worth the effort at comprehension. It is, after all, at the center of our national identity.” 

279. Pawnee National Grassland, Weld County, Colorado


Pawnee National Grassland, managed by the U.S. Forest Service, encompasses 193,060 acres in northeastern Colorado. From Denver, take I-25 north to Fort Collins and exit onto eastbound Hwy. 14. Go about 27 miles at which point access roads into the grassland will be on your left. To reach the trails at Pawnee Buttes, turn left onto CR 390.

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At a Glance

Click on the coordinates below to view location:
40°48’29.58″N 103°59’21.54″W


Grassland with some playas (ephemeral wetlands); minimal shrubs.


Mainly flat and level, perfect for walking or driving. Roads can be muddy after a rain. Trails are located at the Pawnee Buttes located on the east side of the grassland.


More than 300 species. Summer: Mountain Plover and Burrowing Owl among the prairie-dog towns, Lark Bunting, Thick-billed and Chestnut-collared Longspurs, Western Meadowlark, Lark Sparrow, Long-billed Curlew, Loggerhead Shrike, Horned Lark, Swainson’s, Red-tailed and Ferruginous Hawks, Prairie Falcon, Northern Harrier, Golden Eagle, American Kestrel, Wilson’s Phalarope, American Avocet, and Long-billed Dowitcher. Winter: Raptors abundant, including Golden Eagle, Rough-legged and Red-tailed Hawks, American Kestrel.

When to go

March and April for Mountain Plover. May and June for migrants, especially mornings or evenings. Winter for raptors.


Educational kiosks, viewing platforms, and restrooms located at Pawnee Buttes trailhead only. Bring plenty of food and water. More information available at Forest Service office at 115 North 2nd Ave. Ault, CO, (970) 834-9270. Crow Valley Campground is nearby.


National grassland. No fees; open daily. Stay on Forest Service property and only drive on roads that have a USFS marker. Keep off private ranches.


Open to the public for hunting and recreational target shooting, so be alert. Check with the office for more information: (970) 834-9270.

For more info

Pawnee National Grassland
Fort Collins Audubon Society
Colorado Field Ornithologists

Sites nearby

Soapstone Prairie Natural Area
About two hours west of Pawnee and about 45 minutes northwest of Wellington. A similar ecosystem to the grassland and has free-roaming bison.

Thunder Basin National Grassland
About 4 hours north of Pawnee in eastern Wyoming. Another great site with an abundance of sagebrush and Greater Sage-Grouse and Mountain Plover.

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Angela Dwyer

Angela Dwyer is the grassland habitat coordinator for Bird Conservancy of the Rockies. She studies Mountain Plover and other grassland birds.

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