CO Elk Unit 851
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CO 851 — Tactical Analysis. Terrain & Access CO 851 spans rugged, high-elevation terrain from 5,998 to 14,016 feet across 280,000+ acres. With only 19% public land, this is a heavily privatized unit where access planning is critical — most productive country is on ranch land requiring permission or an outfitter relationship. Elevation range supports both lower piñon-juniper and high-country aspen, spruce, and tundra habitat, creating diverse elk cover and movement corridors across seasons. Herd Quality The unit maintains an average bull:cow ratio of 27:100 across recent surveys — an average/well-managed herd composition typical of sustainably harvested..
Read the full AI Scout verdict on this unit — drawability at your point level, trophy potential, access, and where to focus. Free account, no card.
See the full AI verdict →Draw Odds — What It Took to Draw (2024)
Actual results from the 2024 draw, per hunt. Current-year odds at your point level with a paid plan →
Archery, Either S1
EE851O1AMuzzleloader, Either S1
EE085O1MMuzzleloader, Female S1
EF851O1MMuzzleloader, Female S1
EF085O1MMuzzleloader, Male S1
EM851O1MRifle, Either S1
EE085O1RShow all 29 hunts ↓Show fewer hunts ↑
Rifle, Either S1
EE085P1RRifle, Either S1
EE851W1RRifle, Either S2
EE851W2RRifle, Either S2
EE851J2RRifle, Either S4
EE085O4RRifle, Female S1
EF085L1RRifle, Female S1
EF851L1RRifle, Female S1
EF851W1RRifle, Female S2
EF085O2RRifle, Female S2
EF851L2RRifle, Female S2
EF851W2RRifle, Female S3
EF085O3RRifle, Female S3
EF851L3RRifle, Female S3
EF851O3RRifle, Female S4
EF085O4RRifle, Female S4
EF851W4RRifle, Female S5
EF085P5RRifle, Female S6
EF085P6RRifle, Female S6
EF851W6RRifle, Male S1
EM851O1RRifle, Male S2
EM851O2RRifle, Male S3
EM851O3RRifle, Male S4
EM851O4R2025 & 2026 draw results are in
Unlock →What are YOUR odds this year?
Last year's results tell you what it took — not what it'll take. HuntPilot runs state-specific simulators (preference, bonus-squared, pool-aware, waste-adjusted) to show your odds at your exact point count, plus multi-year projections and point-creep analysis.
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Create free accountHarvest Data
Historical data (2022–2024). Current-year data with a paid plan →
| Year | Weapon | Hunters | Harvest | Success |
|---|---|---|---|---|
| 2024 | 579 | 175 | 30.0% | |
| 2024 | Rifle | 380 | 140 | 37.0% |
| 2024 | Archery | 156 | 32 | 20.0% |
| 2024 | Muzzleloader | 43 | 3 | 7.0% |
| 2023 | 545 | 186 | 34.0% | |
| 2023 | Rifle | 370 | 145 | 39.0% |
| 2023 | Archery | 147 | 30 | 20.0% |
| 2023 | Muzzleloader | 29 | 11 | 39.0% |
| 2022 | 614 | 149 | 24.0% | |
| 2022 | Rifle | 392 | 127 | 32.0% |
| 2022 | Archery | 186 | 22 | 12.0% |
| 2022 | Muzzleloader | 36 | 0 | 0.0% |
Season Dates
| Year | Weapon | Dates | Tag Type | Sex |
|---|---|---|---|---|
| 2026 | Archery — EE-085-V-1-A | Sep 2, 2026 — Sep 30, 2026 | — | either |
| 2026 | Archery — EE-851-O-1-A | Sep 2, 2026 — Sep 30, 2026 | — | either |
| 2026 | Muzzleloader — EM-851-O-1-M | Sep 12, 2026 — Sep 20, 2026 | — | male |
| 2026 | Muzzleloader — EE-085-O-1-M | Sep 12, 2026 — Sep 20, 2026 | — | either |
| 2026 | Rifle — EE-851-W-1-R | Nov 23, 2026 — Dec 2, 2026 | — | either |
| 2026 | Rifle — EF-085-L-1-R | Dec 15, 2026 — Dec 31, 2026 | — | female |
| 2026 | Rifle — EF-851-L-1-R | Nov 28, 2026 — Dec 6, 2026 | — | female |
| 2026 | Rifle — EF-851-L-2-R | Dec 12, 2026 — Dec 20, 2026 | — | female |
| 2026 | Rifle — EF-851-L-3-R | Dec 26, 2026 — Jan 3, 2027 | — | female |
| 2026 | Rifle — EF-851-W-1-R | Nov 23, 2026 — Dec 2, 2026 | — | female |
| 2026 | Rifle — EM-851-O-1-R | Oct 14, 2026 — Oct 18, 2026 | — | male |
| 2026 | Rifle — EM-851-O-2-R | Oct 24, 2026 — Nov 1, 2026 | — | male |
| 2026 | Rifle — EM-851-O-3-R | Nov 7, 2026 — Nov 15, 2026 | — | male |
| 2026 | Rifle — EM-851-O-4-R | Nov 18, 2026 — Nov 22, 2026 | — | male |
| 2026 | Rifle — EE-085-P-1-R | Oct 14, 2026 — Oct 18, 2026 | — | either |
| 2026 | Rifle — EE-851-K-2-R | Oct 24, 2026 — Nov 1, 2026 | — | either |
| 2026 | Rifle — EE-851-K-3-R | Nov 7, 2026 — Nov 15, 2026 | — | either |
Trophy Data
Herd Data
Bull : Cow
32per 100
2024 Survey
Population Est.
15,530
2024 Survey
Same Country, Other Species
Hunts that overlap this unit's ground.
Black Bear
Mule Deer
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