Colorado GMU 129 Pronghorn Hunting
Crowley, Otero and Pueblo counties, southeast Colorado · 352 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 129 is like
GMU 129 spans 352 square miles across the southeastern Colorado plains in Crowley, Otero and Pueblo counties. The country is gentle and rolling, with elevations ranging from 4,100 feet in the low spots to 4,800 feet at the high end, and terrain that is 99 percent gentle sloping with only 1 percent moderate slopes. This is low-elevation, open prairie and foothill country suited to spotting and stalking.
The unit is predominantly private land, with roughly 89 percent in private ownership. Public hunting opportunity is extremely limited: approximately 0.2 square miles, or roughly 1 square mile, is Bureau of Land Management ground that is generally open to public hunting. An additional 10 percent of the unit, about 36 square miles, is Colorado State Trust Land, though access to hunt there depends on enrollment in CPW's Public Access Program—not all State Trust parcels are enrolled, and a hunter must verify which ones allow hunting before planning a trip. Legal access is the governing constraint on this unit; the gentle terrain itself is walkable, but there is little public ground to walk on.
The Overall Range layer covers 63 percent of GMU 129, indicating the extent of pronghorn range CPW has mapped. Pronghorn are present during the fall and winter months as the seasonal ranges and rut timing indicate. The Primary Rut phase runs from September 6 through September 25, and the Late Rut and Post-Rut Recovery phase extends from September 26 through October 15, after which the unit enters the Fall Grouping and Winter Transition phase from October 16 through December 31. No Winter Range or Winter Concentration layer is mapped for this unit, and no Migration Corridors are mapped either.
The unit offers two pronghorn seasons: a Muzzleloader hunt September 21–29 open to the public as either-sex, and a Private-land-only hunt October 3–December 13, also either-sex. The Muzzleloader season bridges the Primary Rut and Late Rut phases, taking place during peak and post-rut activity. The draw difficulty for the public Muzzleloader season is moderate, reliably drawing applicants in the 1–2 preference-point band in the primary draw, though applicants with fewer points sometimes draw as well. Hunter pressure on the unit is moderate overall.
Terrain & elevation
- Elevation
- 4,100–4,800 ft, typically around 4,400 ft
- Steepness
- Gentle — mean slope 1.1°
- Slope breakdown
- 99% gentle · 1% moderate · 0% steep · 0% rugged
- Ground you can count on
- ~1 sq mi, plus ~36 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 129.
Across the unit
- Grass and meadow60%
- Other cover26%
- Riparian8%
- Sagebrush6%
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 <1% of GMU 129 is public land a hunter can count on — BLM. A further 10% is State Trust Land, which is huntable only where CPW has enrolled it.
- BLM<1%
- State Trust Land10%
- Unclassified ownership<1%
- Private89%
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 129 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 Range63%the full extent of range CPW maps for pronghorn — near 100% on most units, and not a statement about when pronghorn are present
- Winter Range<1%used in winter
Pronghorn seasons & weapons (2026)
| Season | Dates | Tags offered |
|---|---|---|
| Muzzleloader | September 21 – September 29 | Doe, Buck |
| Private-land only | October 3 – December 13 | 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.
GMU 129 pronghorn hunting FAQ
Is there enough public ground here for a serious pronghorn hunt?
No. Roughly 0.2 percent of GMU 129—about 1 square mile of BLM—is generally open to public hunting, and an additional 10 percent is State Trust Land accessible only where enrolled in CPW's Public Access Program. The vast majority of the unit is private land. A hunter considering this unit should verify public-land locations and enrollment status before applying.
When is the public-land season and what is the hunting like?
The Muzzleloader season runs September 21–29 and hunts either-sex pronghorn during the Primary Rut and early Post-Rut Recovery phases. The unit is low-elevation, gentle prairie country suited to glassing and stalking, though the extreme scarcity of public ground means hunters will likely have few places where they can legally hunt.
Does this unit draw at zero points, or do I need preference points?
The Muzzleloader season has moderate draw difficulty and reliably draws applicants in the 1–2 preference-point band in the primary draw. Applicants with zero points sometimes draw as well, but they cannot count on it. An applicant with no points interested in this unit should also check availability through the secondary draw and leftover list.
How does terrain affect hunting difficulty here?
The country is 99 percent gentle sloping and walkable on foot. However, terrain is not the limiting factor—legal access is. With less than 0.5 percent of the unit dependably open to public hunting, finding ground a hunter can legally access and hunt is far more challenging than covering the distance once there.
Is there pronghorn habitat year-round in this unit?
The Overall Range layer covers 63 percent of the unit, indicating the full extent of pronghorn range CPW maps. Pronghorn are present during fall and winter as indicated by the rut phases and seasonal transition dates. No Winter Range or Winter Concentration layer is mapped for GMU 129, so expectations about concentration or movement should not be drawn from range mapping.
What is the difference between the public Muzzleloader season and the Private-land-only season listed?
The public Muzzleloader hunt runs September 21–29 and is open to any applicant who draws. The Private-land-only season October 3–December 13 is available only to hunters with permission on private land and is not a draw opportunity for public-land hunters. The public season ends before the private-land season begins.
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.