Elk Sep 1–Jan 31. Deer Oct 1–Oct 24. Pronghorn Aug 15–Sep 20.
Colorado hunting seasons cover 11,565 season dates across 268 GMUs for Elk, Mule Deer, Pronghorn and more. Many big game hunts are draw or limited-entry, so confirm application windows before the deadline. Use the tables below for exact opening and closing dates by species and gmu.
Season data sourced from the Colorado wildlife agency. Always verify dates and regulations on the official site before hunting—regulations can change during the season.
| GMU | Weapon | Season | Harvest | Public |
|---|---|---|---|---|
| Unit 1 | Rifle | Aug 15 — Jan 15 | — | 89% |
| Unit 1 | Rifle | Dec 1 — Dec 31 | — | 89% |
| GMU 1 | Archery | Sep 2 — Sep 30 | — | — |
| Unit 1 | Archery | Sep 2 — Sep 30 | 0% | 89% |
| Unit 1 | Muzzleloader | Sep 12 — Sep 20 | 0% | 89% |
| Unit 1 | Muzzleloader | Sep 12 — Sep 20 | 0% | 89% |
| GMU 1 | Muzzleloader | Sep 12 — Sep 20 | — | — |
| Unit 1 | Rifle | Oct 1 — Oct 11 | 0% | 89% |
| Unit 1 | Rifle | Oct 14 — Oct 18 | 0% | 89% |
| GMU 1 | Rifle | Oct 14 — Oct 18 | — | — |
| Unit 1 | Rifle | Oct 24 — Nov 1 | 57% | 89% |
| GMU 1 | Rifle | Oct 24 — Nov 1 | — | — |
| GMU 1 | Rifle | Nov 7 — Nov 15 | — | — |
| Unit 1 | Rifle | Nov 7 — Nov 15 | 62% | 89% |
| Unit 1 | Rifle | Nov 18 — Nov 22 | 17% | 89% |
| GMU 1 | Rifle | Nov 18 — Nov 22 | — | — |
| Unit 10 | Rifle | Aug 15 — Jan 15 | — | 76% |
| Unit 10 | Rifle | Sep 2 — Nov 30 | — | 76% |
| Unit 10 | Rifle | Sep 27 — Oct 1 | — | 76% |
| Unit 10 | Rifle | Oct 4 — Oct 8 | — | 76% |
| Unit 10 | Rifle | Dec 1 — Dec 31 | — | 76% |
| Unit 10 | Archery | Sep 2 — Sep 30 | 47% | 76% |
| GMU 10 | Archery | Sep 2 — Sep 30 | — | — |
| Unit 10 | Muzzleloader | Sep 12 — Sep 20 | 100% | 76% |
+ 2899 more Elk seasons
| GMU | Weapon | Season | Harvest | Public |
|---|---|---|---|---|
| Unit 1 | Archery | Sep 2 — Sep 30 | 0% | 89% |
| GMU 1 | Archery | Sep 2 — Sep 30 | — | — |
| Unit 1 | Muzzleloader | Sep 12 — Sep 20 | 100% | 89% |
| GMU 1 | Muzzleloader | Sep 12 — Sep 20 | — | — |
| GMU 1 | Rifle | Oct 14 — Oct 18 | — | — |
| Unit 1 | Rifle | Oct 24 — Nov 1 | 38% | 89% |
| GMU 1 | Rifle | Oct 24 — Nov 3 | — | — |
| Unit 1 | Rifle | Nov 7 — Nov 15 | 100% | 89% |
+ 492 more Deer seasons
| GMU | Weapon | Season | Harvest | Public |
|---|---|---|---|---|
| GMU 1 | Archery | Aug 15 — Sep 20 | — | — |
| GMU 1 | Muzzleloader | Sep 21 — Sep 29 | — | — |
| GMU 1 | Rifle | Oct 3 — Oct 11 | — | — |
| GMU 10 | Archery | Aug 15 — Sep 20 | — | — |
| GMU 10 | Muzzleloader | Sep 21 — Sep 29 | — | — |
| GMU 10 | Rifle | Oct 3 — Oct 11 | — | — |
| GMU 100 | Archery | Aug 15 — Sep 20 | — | — |
| GMU 100 | Muzzleloader | Sep 21 — Sep 29 | — | — |
+ 492 more Pronghorn seasons
| GMU | Weapon | Season | Harvest | Public |
|---|---|---|---|---|
| Unit 1 | Muzzleloader | Sep 21 — Sep 29 | — | 89% |
| Unit 1 | Muzzleloader | Sep 21 — Sep 29 | — | 89% |
| Unit 10 | Rifle | Sep 20 — Oct 5 | — | 76% |
| Unit 10 | Rifle | Oct 3 — Oct 11 | — | 76% |
| Unit 100 | Muzzleloader | Sep 21 — Sep 29 | — | 0% |
| Unit 100 | Muzzleloader | Sep 21 — Sep 29 | — | 0% |
| Unit 100 | Rifle | Oct 3 — Oct 11 | — | 0% |
| Unit 100 | Rifle | Oct 3 — Oct 11 | — | 0% |
+ 192 more Antelope seasons
Colorado hunting season currently spans Sep 1 to Jan 31 for Elk, with other species opening at different times. Dates vary by gmu and weapon. This page lists 11,565 Colorado season dates across 268 GMUs.
Colorado offers hunting for 19 species, including Elk, Mule Deer, Pronghorn and more. Each species has its own season dates, weapon rules and bag limits.
Colorado is divided into 268 GMUs. Season dates, harvest rates and public-land access differ by unit—use the tables above to compare units before you apply or buy a tag.
Yes. Many Colorado big game hunts are allocated by draw or limited-entry tags rather than sold over the counter. Always confirm application windows on the official Colorado wildlife agency site before the deadline.
State Resource
Always verify season dates and regulations with the official state wildlife agency:
See GMU boundaries, public land, and walk-in access areas for Colorado on our interactive hunting map.
Also see Colorado public land, license, and regulations.