Colorado Grouse Season 2026-27
Colorado's 2026-27 grouse seasons open September 1, 2026 and run to January 31, 2027, but each bird has its own dates, units and limits: dusky grouse, mountain sharp-tailed grouse, greater sage-grouse, white-tailed ptarmigan, greater prairie-chicken.
When is grouse season in Colorado?
| Bird | Season | Dates | Where | Daily bag | Possession |
|---|---|---|---|---|---|
| Dusky grouse | Dusky grouse season | September 1, 2026 to November 22, 2026 | west of I-25 | 3 | 9 |
| Mountain sharp-tailed grouse | Mountain sharp-tailed grouse season | September 1, 2026 to September 20, 2026 | only GMUs 4, 5, 12, 13, 14, 23, 131, 211, 214 and 441 | 2 | 4 |
| Greater sage-grouse | Sage-grouse season 1 | September 12, 2026 to September 18, 2026 | GMUs 2, 3, 4, 5, 10, 11, 13, 27, 37, 181, 201, 211, 301 and 441, and parts of 18 and 28 | 2 | 4 |
| Greater sage-grouse | Sage-grouse season 2 (North Park) | September 12, 2026 to September 13, 2026 | only GMUs 6, 16, 17, 161 and 171 | 2 | 2 |
| White-tailed ptarmigan | Ptarmigan season 1 | September 12, 2026 to October 4, 2026 | statewide except GMUs 44, 45, 53, 54, 66, 67, 68, 70, 71, 74 to 81, 444 and 751 | 3 | 6 |
| White-tailed ptarmigan | Ptarmigan season 2 | September 12, 2026 to November 22, 2026 | only GMUs 44, 45, 53, 54, 66, 67, 68, 70, 71, 74 to 81, 444 and 751 | 3 | 6 |
| Greater prairie-chicken | Greater prairie-chicken season | October 1, 2026 to January 31, 2027 | GMUs 93, 97, 98, 100, 101, 102, 103 and 109 (the brochure also opens Morgan County and ground east of Colo. 71 and south of Colo. 14 and US 138, which is not mapped) | 2 | 6 |
Each bird's page has its units, licences, look-alikes and how to hunt it: Dusky grouse, Mountain sharp-tailed grouse, Greater sage-grouse, White-tailed ptarmigan, Greater prairie-chicken.
Source
2026 Colorado Small Game & Waterfowl brochure (corrections 21 Aug 2026), pages 4, 5, 7 and 10: https://cpw.widen.net/s/bklvf2bjmw/colorado-small-game--waterfowl-brochure. Data updated October 2026. Rules change every year: read the current brochure before you hunt.