Colorado Unit S21:draw odds, harvest & access
3 hunt codes for bighorn sheep, Cow Creek/Wetterhorn Peak.
Colorado · GMU S21
GMU S21Neighbor units
Odds for:Nonresident · 0 pts
Rifle ram success, 3 yr
0–86%
Hunt codes
Bighorn sheep huntsin Unit S21
Points to drawWithin reachMiddleDeep points
| Hunt code | What it is | Drew out at · res | Drew out at · NR | Success 3-yr | Trend |
|---|---|---|---|---|---|
| SMS21O1R | Ram · rifle | 8 tags for 1,108 applicants (2026) | 63% | ||
| SFS21O1R | Ewe · rifle | 2 | 2 | 20% | Rising |
| SFS21S1R | Ewe · rifle | 2 | Not printed | 25% | Flat |
Some hunt codes cover several units; the hunt page lists them all.
Harvest
How hunters didin Unit S21.
Harvest success by season, 2019–2024
% successAll manners of take50–83%
53%
83%
70%
50%
71%
53%
201920202021202220232024
Regular rifle: 1st46–90%
46%
90%
78%
57%
82%
62%
201920202021202220232024
Regular rifle: rifle-split10–33%
33%
0%
0%
22%
0%
20202021202220232024
Regular rifle: split season33%
33%
2019
45%+28–45%Under 28%
Before you apply
- Application fee
- “■ Nonresident application processing fee (per species & nonrefundable) $11.49”
- Tag fee
- “■ Rocky Mountain bighorn sheep/fishing combo* $2,823.53”
- Tag fee
- “■ Rocky Mountain bighorn sheep $385.66”
- Points
- “Do not submit a separate application for preference points, or both applications will be disqualified.”
Rules for 2026.
Season dates · 2026
- SFS21O1RRifle — Resident Licenses · RSep 12–Oct 1
- SFS21O1RRifle — Nonresident Licenses · RSep 12–Oct 1
- SFS21S1RRifle — Resident Licenses · RSep 12–Oct 1
- SMS21O1RRifle — Resident Licenses · RSep 1–Oct 1
- SMS21O1RRifle — Nonresident Licenses · RSep 1–Oct 1
Confirm in the regulations before you go.
Map & access
GMU S21and the units around it
Neighbors with a FarWide page open on click.
Public land & access
Each program opens on the state's site. Check on-the-ground signage.
Offline maps
Take Unit S21into your map app
Opens in onX, Gaia GPS, CalTopo, Google Earth, and Garmin. Works offline in those apps.
Members
Unit S21 hunt pack
One file, layered: the unit boundary, with each bighorn sheep hunt's draw odds and harvest success attached to the unit.
- Unit boundary
- Draw odds per hunt
- Harvest success per hunt
GMU S21 · SMS21O1R
6 of 450 drew
Success63%
Ask FarWide
Answers use the same figures as this page.
Units nearby
- GMU S33Lake Fork/Pole Mountain · 6 bighorn sheep huntsLikely at your 0 pts (NR)
- GMU S53Bristol Head · 2 bighorn sheep huntsLong shot at your 0 pts (NR)
- GMU S71West Needles · 2 bighorn sheep huntsLong shot at your 0 pts (NR)
- GMU S28Vallecito · 1 bighorn sheep huntLong shot at your 0 pts (NR)
- GMU S80Black Canyon · 1 bighorn sheep huntLong shot at your 0 pts (NR)
- GMU S16Cimarrona Peak · 3 bighorn sheep huntsLong shot at your 0 pts (NR)
Source: CPW · Updated Nov 13, 2026