Colorado Unit 581 Hunting Information

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Overview of CO GMU 581 Hunting Facts

Unit 581 is known to be somewhat of a physical challenge for some. Hunters who are physically capable and are up to the challenge of hunting rugged and remote terrain have a good chance of seeing mature mule deer and elk. This unit is well known for the antelope it has to offer. Being that unit 581 produces large buck, it is difficult to draw tags here. For more Colorado Unit 581 hunting information, check out the Info for Cities Near Unit 581 section on the right.

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CO Unit 581 Species Hunting Info

INFO: Mule Deer Hunting in Colorado Unit 581

During the late summer and early fall seasons, bucks will be easier to find throughout the entire unit. As the later seasons arrive, larger mature bucks will more than likely be heading to Witcher Mountain and along Cap Rock Ridge in the western portion of unit 581. Tags drawn in this unit are also valid in units: 49, 57, 58

SUCCESS RATES for Mule Deer Hunting in Colorado Unit 581

5 Year Estimated Average for Deer
Archery 46%
Muzzleloader 55%
2nd Rifle 63%
3rd Rifle 58%

Mule Deer TROPHY QUALITY for Unit 581 Colorado

Average Quality 140″ – 160″
Trophy Potential 170″+
Buck to Doe Ratio 22:100

Colorado Unit 581 Mule Deer Hunting FORUM Coming Soon!

INFO: Elk Hunting in Colorado Unit 581

Due to the hunting pressure in surrounding units and the onset of snow and cold weather at higher elevations, more bulls will show up in unit 581 later in the season.  Keep in mind that the size of the bulls can grow dramatically with each passing week and sometimes even days. Check out the Dome Rock and Sheep Rock near the eastern edge late in the season as well as the Witcher Mountain and Cap Rock Ridge in the western portion.

SUCCESS RATES for Elk Hunting in Colorado Unit 581

5 Year Estimated Average for Elk
Archery 4%
Muzzleloader 15%
1st Rifle 12%
2nd Rifle 5%
3rd Rifle 7%
4th Rifle 9%

Elk TROPHY QUALITY for Unit 581 Colorado

Average Quality 260″ – 300″
Trophy Potential 300″+
Bull to Cow Ratio 20:100

Colorado Unit 581 Elk Hunting FORUM Coming Soon!

INFO: Antelope Hunting in Colorado Unit 581

Most of the land in unit 581 is private with some BLM land so try to secure permission months before your hunt. There is a smaller concentration of bucks near Colorado Route 9 north of U.S. Highway 50. Quality and quantity of antelope bucks makes this a hard unit to draw. The migration of bulls depends on inclement weather at higher elevations.

SUCCESS RATES for Antelope Hunting in Colorado Unit 581

5 Year Estimated Average for Antelope
Archery 24%
Muzzleloader 53%
Rifle 79%

Antelope TROPHY QUALITY for Unit 581 Colorado

Average Quality 65″ – 75″
Trophy Potential 75″+
Buck to Doe Ratio 55:100

Colorado Unit 581 Antelope Hunting FORUM Coming Soon!

Available Hunts for Colorado Unit 581

No data found!

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Cities Near CO Unit 581

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Colorado Unit 581 Topo Map

Total Acreage: 440,960 acres over 689 square miles

Total Public Land: 194,022 acres or 44%

Land Ownership Mix: 56% Private; 44% Public

Species: Black Bear, Elk, Mule Deer, Moose, Pronghorn, Pronghorn

Elevation Variances: 5,200 ft. to 10,800 ft.

Terrain Difficulty Overall: Mild to Moderate

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Lay of the Land in CO Unit 581

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Terrain in GMU 581 CO

The northwest corner of unit is in South Park, a high rolling prairie with a number of ridges running north and south. Just to the east of South Park is the 9,500 foot Wilkerson Pass. There are a number of mountains over 8,000 feet scattered within the unit. The Arkansas River is near the southern boundary with many ridges and canyons.
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Vegetation in GMU Unit 581 CO

High prairie grasses such as buffalo, blue Grama and Indian grass is found around South Park. Near the Arkansas River pinyon/juniper, cottonwoods, willows, oak brush, bitterbrush and mountain mahogany are seen from the roads. Ponderosa pines, aspen groves, spruce and Douglas fir are at the higher elevations.
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Access Points in CO GMU 581

Pike National Forest is located north of County Road 102, west and south of U.S. Highway 24. and consists of over 79 square miles in this unit. Portions of Badger Flats is located 3,570 acres south of U.S. 24 west of Lake George, and Deer Haven.