Colorado GMU 501 Elk Hunting
Park and Jefferson counties, central Colorado · 502 sq mi
Based on the EASIEST unit-wide bull 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 501 is like
GMU 501 spans 502 square miles across Park and Jefferson counties in the central region, encompassing rolling to moderately steep terrain between 6,100 and 12,400 feet in elevation. The unit is 27% gentle slopes, 56% moderate, 16% steep, and 1% rugged. Elk occupy the full range through summer and distribute across the broader terrain, but concentrate in 34% of the unit during summer and 11% during winter. This mix of gentle and moderate ground with pockets of steeper terrain creates varied hunting conditions across a large landscape.
Roughly 89% of the unit is generally open to public hunting, comprising National Forest and State Wildlife Areas totaling about 448 square miles. Private land makes up 8.7%, and ownership on the remaining 1.9% is unclassified. The substantial public share means a hunter has considerable ground to work, though the size of the unit and the mix of public and private parcels means not all terrain is equally accessible.
Elk occupy full summer range across the unit and transition onto winter range that covers 57% of the unit as temperatures drop and snow accumulates. Summer concentration ground comprises 34% of the unit where elk cluster during the warm months. Winter concentration covers 11% of the unit, indicating where animals concentrate as the season advances. As autumn progresses and migration transition begins in early November, hunters should expect elk to shift toward the ground supporting winter range, though the timing and extent of this movement varies with weather and snow conditions. Late in the season, as animals move into the December-to-January timeframe, they increasingly occupy the portion of the unit mapped as winter concentration.
The unit offers eight seasons total: Archery from September 2–30 (either-sex), Muzzleloader September 12–20 (antlerless or bull), four numbered Rifle seasons from October 14 through November 22 (1st Rifle October 14–18 for bull; 2nd Rifle October 24–November 1 for antlerless or bull; 3rd Rifle November 7–15 for antlerless or bull; 4th Rifle November 18–22 for antlerless or bull), Late Rifle December 12–20 (antlerless), and a private-land-only season September 1–January 31 (antlerless). Archery runs during rut onset and primary rut, when bulls are active and responsive. Muzzleloader hunts the tail end of primary rut, and the four numbered rifle seasons span the post-rut recovery and migration-transition phases, finishing before the late-season ground shift. Late Rifle corresponds to the winter-range phase when elk occupy their coldest-month habitat. Overall hunter pressure is low. The draw is hard, requiring 3–5 preference points for the easiest qualifying bull or either-sex hunt code available to an adult Colorado resident; premium bull seasons require substantially more.
Terrain & elevation
- Elevation
- 6,100–12,400 ft, typically around 9,300 ft
- Steepness
- Steep — mean slope 16.5°
- Slope breakdown
- 27% gentle · 56% moderate · 16% steep · 1% rugged
- Ground you can count on
- ~448 sq mi
Land & access
About 89% of GMU 501 is public land a hunter can count on — National Forest and State Wildlife Areas.
- National Forest89%
- State Wildlife Area<1%
- State Trust Land<1%
- Unclassified ownership2%
- Private9%
“Ownership unclassified” means the source dataset does not record an owner for that acreage. It is not known to be public or private.
Where elk live in the unit
Colorado Parks & Wildlife maps elk seasonal ranges statewide. This is how much of GMU 501 each range covers — the single best clue to whether elk are here in September, in November, or only passing through. The layers overlap, so they do not add to 100%.
- Summer Range100%used in summer
- Overall Range100%the full extent of range CPW maps for elk — near 100% on most units, and not a statement about when elk are present
- Winter Range57%used in winter
- Summer Concentration34%where elk bunch up in summer
- Winter Concentration11%where elk bunch up in winter
Elk seasons & weapons (2026)
| Season | Dates | Tags offered |
|---|---|---|
| Archery | September 2 – September 30 | Either-sex |
| Muzzleloader | September 12 – September 20 | Antlerless, Bull |
| 1st Rifle | October 14 – October 18 | Bull |
| 2nd Rifle | October 24 – November 1 | Antlerless, Bull |
| 3rd Rifle | November 7 – November 15 | Antlerless, Bull |
| 4th Rifle | November 18 – November 22 | Antlerless, Bull |
| Late Rifle | December 12 – December 20 | Antlerless |
| Private-land only | September 1 – January 31 | Antlerless |
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 64°F, lows around 36°F, about 0.2 in of snow (mid-elevation normals)
- October — highs around 52°F, lows around 27°F, about 3.7 in of snow (mid-elevation normals)
- November — highs around 41°F, lows around 18°F, about 9.1 in of snow (mid-elevation normals)
GMU 501 elk hunting FAQ
Can a hunter with zero preference points draw a public tag on this unit?
No. The easiest qualifying bull or either-sex hunt code for an adult resident requires 3–5 preference points. Applicants without points should expect to wait or consider other units, though some other weapons, seasons, or non-resident codes may differ.
Does the late-fall rifle season have better odds for an antlerless tag than the October rifle seasons?
The data describe draw difficulty for the easiest unit-wide bull or either-sex code and do not separate odds by season or hunt type. A hunter should treat the 3–5 point range as a floor for the most accessible opportunities and check current draw statistics for the specific season and code.
Is this unit realistic for a first-time applicant in the draw?
At hard difficulty and 3–5 preference points required, this unit is not realistic for a first-time applicant pursuing the most accessible hunts. A hunter with no points would need to apply multiple years or target a unit with an easier draw.
How much of this unit can a public-land hunter realistically access?
The unit is roughly 89% generally open to public hunting on National Forest and State Wildlife Areas, about 448 square miles. However, actual access depends on roads, trailheads, private inholdings, and seasonal closures—public ownership does not guarantee easy entry to all terrain.
When should a hunter expect elk to move toward winter ground?
Elk occupy full summer range through September and October. As November arrives and temperatures drop, hunters should expect elk to shift increasingly toward the 57% of the unit mapped as winter range, with concentration building on the 11% winter-concentration ground. The timing and extent of this shift vary with weather and snow conditions.
Is early archery season or late muzzleloader season better for rut activity?
Archery (September 2–30) spans both rut onset and primary rut, when bull activity peaks. Muzzleloader (September 12–20) hunts the tail end of primary rut. Archery offers the longer window into the most active rut phase, though both seasons fall during periods of strong bull response.
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 — Elk 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
- CPW — Maps and GIS (Species Activity Mapping) — elk seasonal range
- CPW — State Trust Land Finder — which State Trust acreage is enrolled and open to public hunting
- Federal and state land-ownership datasets — land ownership and access
- NOAA climate normals — 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 August 28, 2026.