Ptarmigan season in Colorado runs Sep 13 – Nov 23 across 186 GMUs.
| GMU | Type | Dates | Harvest | Pressure | Public |
|---|---|---|---|---|---|
| GMU 1 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 10 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 100 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 101 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 102 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 103 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 104 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 105 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 106 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 107 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 109 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 11 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 110 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 111 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 112 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 113 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 114 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 115 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 116 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 117 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 118 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 119 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 12 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 120 | General | Sep 13 — Nov 23 | — | — | — |
| GMU 121 | General | Sep 13 — Nov 23 | — | — | — |
+ 161 more
Ptarmigan season in Colorado currently runs Sep 13 to Nov 23, across 186 season rows and 186 GMUs, split by weapon (Any Legal Weapon).
The best GMUs for ptarmigan in Colorado depend on harvest success and public-land access, both shown per GMU above. Compare units before you apply for a tag or plan your hunt.
View GMU boundaries, public land, and walk-in access areas on our interactive map.
Also see Colorado seasons, public land, and license.