Colorado
Muzzleloader. There is no season structure change for the 2020 through 2024 seasons. Muzzleloader season opens on the second Saturday of September and runs for a total of 9 days.
| Year | Open | Close |
|---|---|---|
| 2020 | Sept 12 | Sept 20 |
| 2021 | Sept 11 | Sept 19 |
| 2022 | Sept 10 | Sept 18 |
| 2023 | Sept 9 | Sept 17 |
| 2024 | Sept 14 | Sept 22 |
| Deer/elk/moose | Sept. 10–18* |
| Plains deer (east of I-25, except Unit 140) | Oct. 8–16 |
| Whitetail-only (limited) | Oct. 8-16 |
| Pronghorn | Sept. 21–29 |
| Bear (over-the-counter and/or limited) | Sept. 10–18 |
Elk: Limited either-sex or limited antlered, and limited antlerless; all licenses issued by GMU/DAU.
Deer: Limited either-sex or limited antlered, and limited antlerless in some GMUs; all licenses issued by GMU/DAU
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