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Colorado Bighorn Sheep

Unit S20

Colorado Hunting Guide — Bighorn Sheep

Colorado Sheep Unit S20 is a once-in-a-lifetime bighorn draw handled through the CPW preference-point system. Tag numbers are tiny and top applicant points climb each cycle — we plan this as a long-term point build with yearly refreshes against the CPW draw summary.

View Draw Odds Colorado Hunting Guide

Bighorn Sheep Hunting in Unit S20

Colorado Sheep Unit S20 is a once-in-a-lifetime bighorn draw handled through the CPW preference-point system. Tag numbers are tiny and top applicant points climb each cycle — we plan this as a long-term point build with yearly refreshes against the CPW draw summary.

Where to Find Bighorn Sheep in Unit S20

We glass Unit S20 from high vantages on opposite drainages, concentrating on cliff faces, alpine basins, and lambing-rock habitat. CPW's Hunting Atlas sheep-range overlay narrows the search, and public-land layers (USFS/BLM) keep our access legal.

How to Hunt Bighorn Sheep in Unit S20

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Bighorn Sheep Success Rates

Archery55%
Rifle78%
Sheep success in Colorado is high because tag holders invest years of prep. We confirm S20 per-season harvest from the CPW Big Game Statistics sheep table before finalizing a hunt plan.

Bighorn Sheep Draw Odds

SeasonTagsApplicantsDraw %Pts Req
Archery— 1st Season2277.4% 3
Rifle— 1st Season2912.2% 3

Data from 2025 draw results. Resident odds shown.

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Unit S20 bighorn tags are awarded through CPW's pure preference-point sheep draw — top-points-first, down the list. Colorado sheep is once-in-a-lifetime after harvest, so the applicant pool grows. We check the CPW sheep draw summary each cycle to track required points.

Unit Logistics & Expectations

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Frequently Asked Questions

How many points does Unit S20 take?
Required points climb each cycle. We reference the CPW sheep draw recap and the chart on this page for the latest points-required number and trend.
Is Unit S20 once-in-a-lifetime?
Yes — Colorado bighorn sheep is once-in-a-lifetime after a successful ram harvest. We can continue applying until we draw and harvest a ram.

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Sources & Verification

Every fact on this page is tied to a primary source below. Last fact-checked 2026-04-17.

  1. CPW Big Game Hunting — Colorado Parks and Wildlife · supports: Sheep seasons, Sheep unit regulations · accessed 2026-04-17
  2. CPW Big Game Statistics — Colorado Parks and Wildlife · supports: Per-unit bighorn harvest, Sheep success rates · accessed 2026-04-17
  3. CPW Hunting Atlas — Sheep Unit S20 — Colorado Parks and Wildlife / CSU NREL · supports: Sheep unit boundary, Bighorn seasonal range, Public land layer · accessed 2026-04-17
  4. CPW Big Game Draw — Colorado Parks and Wildlife · supports: Sheep draw rules, Once-in-a-lifetime structure · accessed 2026-04-17