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Home » Hunting Informations » Colorado Units Hunting Information » Colorado Unit 581 Hunting Information
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
| Archery | 46% |
| Muzzleloader | 55% |
| 2nd Rifle | 63% |
| 3rd Rifle | 58% |
| Average Quality | 140″ – 160″ |
| Trophy Potential | 170″+ |
| Buck to Doe Ratio | 22:100 |
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.
| Archery | 4% |
| Muzzleloader | 15% |
| 1st Rifle | 12% |
| 2nd Rifle | 5% |
| 3rd Rifle | 7% |
| 4th Rifle | 9% |
| Average Quality | 260″ – 300″ |
| Trophy Potential | 300″+ |
| Bull to Cow Ratio | 20:100 |
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.
| Archery | 24% |
| Muzzleloader | 53% |
| Rifle | 79% |
| Average Quality | 65″ – 75″ |
| Trophy Potential | 75″+ |
| Buck to Doe Ratio | 55:100 |
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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