Colorado Unit S20:draw odds, harvest & access
2 hunt codes for bighorn sheep, Marshall Pass.
Colorado · GMU S20
- GMU S01: Bighorn sheep
- GMU S02: Bighorn sheep
- GMU S03: Bighorn sheep
- GMU S04: Bighorn sheep
- GMU S05: Bighorn sheep
- GMU S06: Bighorn sheep
- GMU S07: Bighorn sheep
- GMU S08: Bighorn sheep
- GMU S09: Bighorn sheep
- GMU S10: Bighorn sheep
- GMU S11: Bighorn sheep
- GMU S12: Bighorn sheep
- GMU S13: Bighorn sheep
- GMU S15: Bighorn sheep
- GMU S16: Bighorn sheep
- GMU S17: Bighorn sheep
- GMU S18: Bighorn sheep
- GMU S19: Bighorn sheep
- GMU S21: Bighorn sheep
- GMU S22: Bighorn sheep
- GMU S23: Bighorn sheep
- GMU S24: Bighorn sheep
- GMU S25: Bighorn sheep
- GMU S26: Bighorn sheep
- GMU S27: Bighorn sheep
- GMU S28: Bighorn sheep
- GMU S29: Bighorn sheep
- GMU S30: Bighorn sheep
- GMU S31: Bighorn sheep
- GMU S32: Bighorn sheep
- GMU S33: Bighorn sheep
- GMU S34: Bighorn sheep
- GMU S36: Bighorn sheep
- GMU S37: Bighorn sheep
- GMU S38: Bighorn sheep
- GMU S39: Bighorn sheep
- GMU S40: Bighorn sheep
- GMU S41: Bighorn sheep
- GMU S42: Bighorn sheep
- GMU S44: Bighorn sheep
- GMU S46: Bighorn sheep
- GMU S47: Bighorn sheep
- GMU S48: Bighorn sheep
- GMU S49: Bighorn sheep
- GMU S50: Bighorn sheep
- GMU S51: Bighorn sheep
- GMU S53: Bighorn sheep
- GMU S54: Bighorn sheep
- GMU S55: Bighorn sheep
- GMU S56: Bighorn sheep
- GMU S57: Bighorn sheep
- GMU S58: Bighorn sheep
- GMU S59: Bighorn sheep
- GMU S60: Bighorn sheep
- GMU S61: Bighorn sheep
- GMU S62: Bighorn sheep
- GMU S63: Bighorn sheep
- GMU S64: Bighorn sheep
- GMU S65: Bighorn sheep
- GMU S66: Bighorn sheep
- GMU S67: Bighorn sheep
- GMU S68: Bighorn sheep
- GMU S69: Bighorn sheep
- GMU S70: Bighorn sheep
- GMU S71: Bighorn sheep
- GMU S72: Bighorn sheep
- GMU S73: Bighorn sheep
- GMU S74: Bighorn sheep
- GMU S75: Bighorn sheep
- GMU S77: Bighorn sheep
- GMU S78: Bighorn sheep
- GMU S79: Bighorn sheep
- GMU S80: Bighorn sheep
GMU S20Neighbor units
At a glance
Best at 0 pts (res)
0%
SMS20O1A · 0 of 2 hunts Likely
Bighorn sheep hunt codes
2
Rifle · archery
Rifle ram success 3-yr
0–50%
Hunt codes
Bighorn sheep huntsin Unit S20
Points to drawWithin reachMiddleDeep points
| Hunt code | What it is | Drew out at · res | Drew out at · NR | Success 3-yr |
|---|---|---|---|---|
| SMS20O1A | Ram · archery | 3+ Pref Points | Not printed | 0% |
| SMS20O1R | Ram · rifle | 3+ Pref Points | Not printed | 0% |
Some hunt codes cover several units; the hunt page lists them all.
Harvest
How hunters didin Unit S20.
Harvest success by season, 2019–2024
% successAll manners of take0–50%
0%
33%
0%
50%
17%
17%
201920202021202220232024
Archery: 1st0–33%
0%
0%
0%
33%
0%
0%
201920202021202220232024
Regular rifle: 1st0–67%
0%
67%
0%
67%
33%
33%
201920202021202220232024
45%+28–45%Under 28%
Before you apply
- Points
- “Do not submit a separate application for preference points, or both applications will be disqualified.”
- Application fee
- “■ Nonresident $11.49”
- Leftovers
- “Any licenses remaining after the secondary draw (except for Ranching for Wildlife licenses) will be placed on the Leftover List and available for purchase starting Aug. 4 at 9 a.m. MT.”
- Tag fee
- “Nonresident adult/fishing combo* $302.56”
Rules for 2026.
Season dates · 2026
- SMS20O1AArchery — Resident Licenses · AAug 1–Aug 31
- SMS20O1RRifle — Resident Licenses · RSep 8–Oct 31
Confirm in the regulations before you go.
Map & access
GMU S20and the units around it
Neighbors with a FarWide page open on click.
- GMU S01: Bighorn sheep
- GMU S02: Bighorn sheep
- GMU S03: Bighorn sheep
- GMU S04: Bighorn sheep
- GMU S05: Bighorn sheep
- GMU S06: Bighorn sheep
- GMU S07: Bighorn sheep
- GMU S08: Bighorn sheep
- GMU S09: Bighorn sheep
- GMU S10: Bighorn sheep
- GMU S11: Bighorn sheep
- GMU S12: Bighorn sheep
- GMU S13: Bighorn sheep
- GMU S15: Bighorn sheep
- GMU S16: Bighorn sheep
- GMU S17: Bighorn sheep
- GMU S18: Bighorn sheep
- GMU S19: Bighorn sheep
- GMU S21: Bighorn sheep
- GMU S22: Bighorn sheep
- GMU S23: Bighorn sheep
- GMU S24: Bighorn sheep
- GMU S25: Bighorn sheep
- GMU S26: Bighorn sheep
- GMU S27: Bighorn sheep
- GMU S28: Bighorn sheep
- GMU S29: Bighorn sheep
- GMU S30: Bighorn sheep
- GMU S31: Bighorn sheep
- GMU S32: Bighorn sheep
- GMU S33: Bighorn sheep
- GMU S34: Bighorn sheep
- GMU S36: Bighorn sheep
- GMU S37: Bighorn sheep
- GMU S38: Bighorn sheep
- GMU S39: Bighorn sheep
- GMU S40: Bighorn sheep
- GMU S41: Bighorn sheep
- GMU S42: Bighorn sheep
- GMU S44: Bighorn sheep
- GMU S46: Bighorn sheep
- GMU S47: Bighorn sheep
- GMU S48: Bighorn sheep
- GMU S49: Bighorn sheep
- GMU S50: Bighorn sheep
- GMU S51: Bighorn sheep
- GMU S53: Bighorn sheep
- GMU S54: Bighorn sheep
- GMU S55: Bighorn sheep
- GMU S56: Bighorn sheep
- GMU S57: Bighorn sheep
- GMU S58: Bighorn sheep
- GMU S59: Bighorn sheep
- GMU S60: Bighorn sheep
- GMU S61: Bighorn sheep
- GMU S62: Bighorn sheep
- GMU S63: Bighorn sheep
- GMU S64: Bighorn sheep
- GMU S65: Bighorn sheep
- GMU S66: Bighorn sheep
- GMU S67: Bighorn sheep
- GMU S68: Bighorn sheep
- GMU S69: Bighorn sheep
- GMU S70: Bighorn sheep
- GMU S71: Bighorn sheep
- GMU S72: Bighorn sheep
- GMU S73: Bighorn sheep
- GMU S74: Bighorn sheep
- GMU S75: Bighorn sheep
- GMU S77: Bighorn sheep
- GMU S78: Bighorn sheep
- GMU S79: Bighorn sheep
- GMU S80: Bighorn sheep
Public land & access
Each program opens on the state's site. Check on-the-ground signage.
Offline maps
Take Unit S20into your map app
Opens in onX, Gaia GPS, CalTopo, Google Earth, and Garmin. Works offline in those apps.
Members
Unit S20 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 S20 · SMS20O1A
Drew out at 3+ Pref Points
Success0%
Ask FarWide
Answers use the same figures as this page.
Source: CPW