Colorado GMU 481 Pronghorn Hunting
Chaffee County, central Colorado · 283 sq mi
Based on the EASIEST unit-wide buck or either-sex hunt code available to adult Colorado residents in the 2026 primary draw — the lowest preference-point tier that drew reliably. Private-land-only and Ranching for Wildlife hunts are excluded because neither is a unit-wide public-land opportunity — NOT because the public cannot draw them. A private-land-only license requires the hunter's own permission to hunt private ground; a Ranching for Wildlife license is valid on the participating ranches enrolled in that program. They are separate systems. Other weapons, seasons and nonresident applicants can require substantially more points. The band is a floor, not a target: even the easiest qualifying hunt here sits in that range.
What hunting GMU 481 is like
GMU 481 is a 283-square-mile unit in Chaffee County spanning elevations from 7,600 feet to 14,400 feet, with typical terrain around 10,900 feet. The country is mixed, with substantial steep ground: 32 percent of the unit is gentle, 34 percent moderate, 31 percent steep, and 3 percent rugged by area. This terrain ranges from accessible valley floors to demanding high-elevation slopes, offering varied country for hunters willing to move through different elevation bands across the fall.
National Forest, BLM and State Wildlife Areas comprise approximately 77 percent of the unit and are generally open to public hunting. Colorado State Trust Land makes up approximately 3.3 percent, though hunting it depends on CPW's Public Access Program enrollment, which varies by parcel. Private land accounts for approximately 20 percent. The public ownership is distributed primarily across U.S. Forest Service (75 percent of the unit) with smaller holdings from BLM and State Wildlife Areas. Hunters should confirm current access and seasonal closures before entering.
Pronghorn range across the unit on an Overall Range that covers 13 percent of the area, with a Winter Range occupying 9 percent and Migration Corridors crossing 4 percent. The limited mapped range means pronghorn are not uniformly distributed across the unit, and seasonal movement should be expected. As fall progresses through October, hunters should anticipate that pronghorn may shift in response to weather and changing conditions.
Three pronghorn seasons are offered: Archery from August 15 to September 20 for doe or buck; Muzzleloader from September 21 to September 29 for doe or buck; and one Rifle season from October 3 to October 11 for doe or buck. The archery season falls entirely within the pre-rut and primary rut phases, when pronghorn are forming territories and beginning breeding behavior. The muzzleloader season straddles the primary rut and early post-rut recovery. The rifle season occurs in the late post-rut recovery phase, after peak breeding activity. September offers mild conditions with highs near 60 degrees Fahrenheit, while October brings cooler temperatures with highs around 49 degrees and increasing snowfall averaging 4.6 inches. Overall hunter pressure on the unit is low.
Terrain & elevation
- Elevation
- 7,600–14,400 ft, typically around 10,900 ft
- Steepness
- Rugged — mean slope 18.6°
- Slope breakdown
- 32% gentle · 34% moderate · 31% steep · 3% rugged
- Ground you can count on
- ~216 sq mi, plus ~9 sq mi of State Trust Land where access depends on enrollment
Habitat & cover
What actually grows here, by elevation. Each band adds to 100% on its own — these are shares of that band, not of GMU 481.
Lower elevations
- Sagebrush39%
- Conifer26%
- Other cover15%
- Grass and meadow15%
- Riparian4%
- Aspen1%
Mid elevations
- Conifer76%
- Sagebrush13%
- Aspen7%
- Riparian2%
- Grass and meadow2%
Higher elevations
- Sagebrush44%
- Conifer27%
- Other cover15%
- Grass and meadow12%
- Riparian3%
Cover classes from the USGS National Land Cover Database, split into elevation bands. “Other cover” is the remainder of the classification — bare ground, water, agriculture and developed land — and is left unnamed rather than guessed at.
Land & access
About 77% of GMU 481 is public land a hunter can count on — National Forest, BLM and State Wildlife Areas. A further 3% is State Trust Land, which is huntable only where CPW has enrolled it.
- National Forest75%
- BLM<1%
- State Wildlife Area<1%
- State Trust Land3%
- Unclassified ownership<1%
- Private20%
Colorado State Trust Land is open to public hunting only where it is enrolled in CPW's Public Access Program. Check current enrollment before planning around it.
Where pronghorn live in the unit
Colorado Parks & Wildlife maps pronghorn seasonal ranges statewide. This is how much of GMU 481 each range covers — the single best clue to whether pronghorn are here in September, in November, or only passing through. The layers overlap, so they do not add to 100%.
- Overall Range13%the full extent of range CPW maps for pronghorn — near 100% on most units, and not a statement about when pronghorn are present
- Winter Range9%used in winter
- Migration Corridors4%movement between ranges, not residence
Pronghorn seasons & weapons (2026)
| Season | Dates | Tags offered |
|---|---|---|
| Archery | August 15 – September 20 | Doe, Buck |
| Muzzleloader | September 21 – September 29 | Doe, Buck |
| Rifle | October 3 – October 11 | Doe, Buck |
Dates span every hunt code of that type in this unit and can differ by code. Confirm the current brochure with Colorado Parks & Wildlife before applying.
Fall weather
- September — highs around 60°F, lows around 34°F, about 0.8 in of snow (mid-elevation normals)
- October — highs around 49°F, lows around 25°F, about 4.6 in of snow (mid-elevation normals)
- November — highs around 38°F, lows around 14°F, about 9.1 in of snow (mid-elevation normals)
GMU 481 pronghorn hunting FAQ
Can someone with no preference points draw an archery tag here?
The archery season shown in this data is limited and drawn, not over-the-counter, so it requires entering the draw. The easiest unit-wide buck or either-sex code across all seasons here requires 1–2 preference points reliably in the primary draw; applicants with zero points sometimes draw anyway, but the points band is a floor, not a guarantee. The secondary draw (a separate June lottery open to anyone with no points used) and the leftover list (first-come, first-served after the primary) are additional routes that do not require preference points.
Is this unit better for early season or late season hunting?
The archery season in mid-August through September coincides with pre-rut and primary-rut phases when pronghorn are actively establishing territories and breeding, offering opportunity to hunt during their most visible and responsive period. The muzzleloader and rifle seasons occur as pronghorn move through late-rut recovery and into fall grouping, when animals are beginning to consolidate. The rifle season in early October falls after peak breeding activity ends.
How much public ground can a hunter realistically access here?
Approximately 77 percent of the unit is National Forest, BLM and State Wildlife Areas that are generally open to public hunting—roughly 216 square miles. An additional 3.3 percent is Colorado State Trust Land, but hunting it depends on CPW enrollment status, which varies by parcel. About 20 percent is private. Roads, trailheads and seasonal closures still govern where a hunter can actually reach public ground; confirming current access before the season is essential.
Does pronghorn distribution change through the fall season?
Pronghorn in this unit are concentrated on 13 percent of the overall mapped range, with 9 percent designated as Winter Range and 4 percent as Migration Corridors. As temperatures drop from September highs near 60 degrees to October highs around 49 degrees and increasing snowfall arrives, hunters should expect pronghorn to shift in response to weather and forage conditions, though the exact timing and extent of movement will vary year to year.
Is the terrain steep enough to be difficult for a hunter on foot?
The unit is mixed terrain: 32 percent is gentle and 34 percent moderate, offering accessible country in nearly two-thirds of the unit. However, 31 percent is steep and 3 percent is rugged, so hunters moving between elevation bands will encounter substantial vertical and uneven ground. The high elevations above 14,000 feet are particularly demanding, while lower-elevation and valley sections are more manageable for walkers with average fitness.
What does the draw difficulty rating mean for this unit?
The Moderate rating (1–2 points) describes the easiest qualifying unit-wide buck or either-sex code in the primary draw for an adult Colorado resident. Other seasons, weapons or nonresident applicants can require substantially more points. Premium buck seasons here take far more preference points than the easiest available hunts. The rating covers the primary draw only and does not account for the secondary draw or leftover-list opportunities.
Data sources & methodology
- Colorado Parks & Wildlife — Big Game hunting — seasons, weapons, hunt codes and license types
- CPW — Primary Draw rules — how preference points and the hybrid draw work
- CPW — Pronghorn statistics, draw recap and Drawn Out At reports — the point levels behind the draw-difficulty bands
- CPW — Secondary Draw — licenses remaining after the primary draw
- USGS / MRLC — National Land Cover Database — habitat and cover classes by elevation band
- CPW — Maps and GIS (Species Activity Mapping) — pronghorn seasonal range
- CPW — State Trust Land Finder — which State Trust acreage is enrolled and open to public hunting
- USGS PAD-US — Protected Areas Database of the United States — land ownership and access
- Daymet daily climate, 1991–2020 (Oak Ridge National Laboratory) — fall weather
Draw difficulty is a qualitative band, not published odds — the note under the summary above states exactly which hunt code it describes. Land shares are separate, non-overlapping categories: publicly owned is not the same as open to hunting, and State Trust Land is huntable only where CPW has enrolled it. Unit data last updated September 24, 2026.