Colorado Unit 20 Elk Hunting Guide

Colorado Unit 20 sits in the northern part of the state and is one of the more talked-about elk units among hunters willing to invest points for a shot at quality public-land bulls. Spanning 772,318 acres with elevations ranging from 4,824 feet up to 14,226 feet, this unit offers everything from lower-elevation foothill country to high alpine terrain near timberline. With 61% public land, Unit 20 gives hunters a real base of accessible ground to hunt, even though — as many hunters who've spent time here will tell you — the private land in the valleys and lower drainages holds a disproportionate share of the elk.

Unlike many Colorado units that mix general season opportunity with draw tags, Unit 20 operates entirely on a limited-quota basis. There is no general season here — every hunt, including those for antlered and either-sex animals, requires a successful draw. That structure alone tells hunters something important: Colorado is managing this unit for quality and controlled pressure rather than opportunity-for-everyone access, and hunters need to plan their application strategy accordingly.

This article breaks down what the data shows about Unit 20 — harvest trends, herd composition, trophy potential, and terrain — and gives hunters a straight answer on whether it's worth spending points to draw here.

HuntPilot Analysis — Is Unit 20 Worth Applying For?

Unit 20 is a legitimate option for hunters looking for a limited-quota elk hunt in a large, elevation-diverse unit, but it comes with real caveats that hunters need to weigh before committing points.

On the positive side, harvest success has been strong in recent years. In 2025, 828 hunters harvested 427 elk for a 52% success rate — a notably high number for a western elk unit of any kind. In 2024, the unit saw more pressure with 1,712 hunters and 697 harvested elk, a 41% success rate. Both years show that hunters who draw a tag here have a real chance of putting an elk on the ground, which isn't something every limited-quota unit in Colorado can claim. The drop in both hunter numbers and success rate between 2024 and 2025 is worth noting — fewer tags were apparently issued in 2025, which coincided with a jump in success rate, a pattern consistent with reduced hunter density on the landscape.

The herd data adds some nuance. Across six survey years from 2018 to 2024, the average bull-to-cow ratio came in at 43:100. That's a solid, sustainable ratio for a western elk herd — not spectacular, but indicative of a herd with a reasonable number of mature bulls surviving to breed each fall, rather than a unit that's been hammered down to a bare minimum bull population. Hunters shouldn't expect eye-popping bull ratios here, but 43:100 as a multi-year average suggests consistent management rather than a boom-or-bust herd.

Where Unit 20 gets complicated is access. With 772,318 total acres and 61% public land, there's a meaningful public land base to hunt — but forum discussion from hunters who've spent time in the unit consistently flags that much of the best elk habitat, particularly in the lower-elevation drainages, sits on private ground or is landlocked behind it. Public land exists, but it isn't uniformly distributed relative to where elk concentrate, especially early in the season before elk are pushed higher by pressure or weather. Wilderness acreage is minimal at 3%, so this isn't a unit defined by deep backcountry seclusion — most of the public access here is non-wilderness national forest and BLM ground, which is generally easier to reach with vehicles, ATVs, or horses than true wilderness units.

The verdict: Unit 20 is worth applying for if a hunter has done the homework on which public parcels actually hold elk, and if they're realistic about needing to work around — or through — private land boundaries. It is not a unit where a hunter can show up cold and expect the same success rates reflected in the harvest data. Those numbers include hunters with private land access, guided hunts, and years of local knowledge. A DIY hunter with no unit-specific scouting will face a tougher version of this hunt than the raw success percentages suggest.

Harvest Success Rates

The harvest numbers for Unit 20 are among the more encouraging figures a hunter will find for a limited-quota Colorado elk unit. In 2025, 52% of the 828 hunters in the field successfully harvested an elk. That's a strong number by any regional standard. The prior year, 2024, saw a larger pool of 1,712 hunters achieve a 41% success rate with 697 total elk taken.

The year-over-year trend — fewer hunters afield in 2025 alongside a higher success percentage — is a pattern hunters should pay attention to. It typically reflects either a reduction in issued tags, a shift in hunt structure, or both, and it reinforces that success in this unit is sensitive to hunter density. Hunters drawing tags here in future years should check current tag numbers on HuntPilot's Colorado page, since success rates like these are partly a function of how many other hunters are competing for the same ground and elk in a given year.

Trophy Quality

Trophy records data for the counties overlapping Unit 20 point to a moderate history of trophy production. This isn't a unit with an exceptional or elite trophy pedigree, but it also isn't devoid of history — moderate trophy production over time suggests that mature bulls do exist and get harvested here with some regularity, even if record-book-caliber bulls are the exception rather than the rule.

It's worth remembering that trophy records are logged at the county level, not by hunt unit, so entries attributed to the counties overlapping Unit 20 are shared with neighboring units as well — the animals behind those records may have been taken anywhere within those county boundaries. Forum chatter from hunters who've spent time in the area echoes this moderate assessment: there's mention of "big bulls" coming out of certain pockets of the unit, but consistent access to those bulls is tied heavily to private land, not general public accessibility. Hunters chasing a genuine trophy-class bull in Unit 20 should treat this as a unit with real potential but not a guaranteed trophy factory — success in that pursuit will depend heavily on scouting specific drainages and understanding where mature bulls are surviving hunting pressure.

Herd Health & Population Trends

The six-year survey average of 43:100 bull-to-cow ratio (2018–2024) suggests a herd that's holding a healthy number of mature bulls relative to cows. This is a middle-of-the-road ratio for Colorado elk units — not indicative of a unit overrun with young bulls only, nor a unit with an unusually high bull carryover that would suggest minimal hunting pressure or exceptional habitat protection.

For hunters, this ratio is a reasonable proxy for herd health: it implies the population is neither being over-harvested on the bull side nor artificially inflated by unusually restrictive management. Combined with the unit's harvest success rates, the data paints a picture of a herd that can support consistent hunting pressure while still producing bulls across multiple age classes.

Access & Terrain

Unit 20's terrain spans an enormous elevation range — from 4,824 feet at the low end up to 14,226 feet at its highest points — meaning hunters could be dealing with anything from sagebrush foothills to true alpine terrain near timberline, depending on where in the unit they're hunting and how far into the season they go. That elevation spread also means elk distribution likely shifts significantly across the season as animals move between lower and higher country, though hunters should rely on their own scouting and mapping tools rather than assumptions about specific migration corridors, since unit-specific movement patterns aren't detailed in the available data.

With 772,318 total acres and 61% public land, there's a substantial base of public ground to hunt, which is a workable percentage — a majority of the unit is legally accessible without needing private land permission. That said, hunters consistently report on forums that the public land here can be difficult to hunt effectively because of landlocked parcels and the concentration of elk on lower-elevation private ground, particularly during early portions of the season before elk get pushed by pressure or weather.

Wilderness acreage in Unit 20 is minimal at just 3% of the unit. This is a meaningful data point for trip planning: this is not a unit defined by vast roadless wilderness backcountry. Most of the public hunting ground here is standard national forest or BLM land without wilderness designation, which generally means more road and trail access options compared to a deep wilderness unit — good news for hunters with limited time or those planning day-hunt strategies from a base camp, and useful for hunters bringing horses, which several forum posters mention as an asset in this unit for reaching pockets of public land that see less foot traffic.

Hunters serious about scouting Unit 20 should use mapping tools — including HuntPilot's public land layers — to identify exactly where public and private boundaries fall relative to drainages, water sources, and elevation bands elk are likely to use throughout the season. Given the mixed land ownership pattern here, knowing precisely where public access starts and stops before opening day is one of the highest-value scouting tasks a hunter can do in this unit.

How to Apply

Every elk hunt in Unit 20 is limited-quota, meaning there is no general season option — hunters must apply through Colorado's draw system to get a tag here, regardless of whether they're after an antlered or either-sex animal.

Colorado's draw uses a preference point system for nonresidents and residents alike, though the mechanics favor whoever holds the most points: the state allocates a portion of tags to the highest point holders first, meaning a sufficiently high point total can effectively secure a tag over time. This is not a weighted lottery — points function as true preference, so point accumulation is a meaningful long-term strategy for hunters targeting Unit 20, particularly nonresidents who should expect this to be a multi-year point-building process for the better hunts in the unit.

Residents and nonresidents apply through separate pools, and drawing a tag consumes the points a hunter has accumulated for that species, resetting them close to zero afterward. Hunters should check HuntPilot's Colorado state page for the specific point levels that have historically been competitive for Unit 20's various hunt codes, since these figures shift from year to year based on tag quotas and applicant demand.

Application dates and fees change every cycle. For the current deadlines, fees, and draw odds for Colorado Unit 20, see HuntPilot's Colorado page at /states/co.

Frequently Asked Questions

What is the terrain like in Colorado Unit 20? Unit 20 covers a dramatic elevation range from 4,824 feet up to 14,226 feet across 772,318 total acres, meaning hunters can encounter everything from lower foothill terrain to high alpine ground depending on where and when they hunt. Wilderness acreage is minimal at only 3% of the unit, so most public access is through standard national forest and BLM land rather than designated wilderness, which typically means more road and trail-based access options.

What is harvest success like in Unit 20? Recent harvest data shows strong results: 52% success in 2025 (427 elk harvested among 828 hunters) and 41% success in 2024 (697 elk harvested among 1,712 hunters). These are solid numbers for a limited-quota elk unit, though hunters should note that success is closely tied to hunter density and private land access, which isn't evenly distributed across the unit's public and private ground.

How big are the elk in Unit 20? Trophy records for the counties overlapping Unit 20 show a moderate history of trophy production — not an elite trophy destination, but a unit where mature, trophy-class bulls have been taken over the years. The unit's six-year average bull-to-cow ratio of 43:100 supports the idea of a herd carrying a reasonable number of mature bulls, though hunters chasing genuine trophy-class animals should expect that access to the best bulls is tied heavily to specific drainages and, in many cases, private land.

Is Colorado Unit 20 worth applying for? Yes, with realistic expectations. The harvest success rates are strong, the herd data reflects a healthy bull-to-cow ratio, and the unit holds a moderate trophy history. However, the 61% public land figure comes with a caveat — much of the prime elk habitat sits on or near private ground, and hunters without local knowledge or private access will likely find hunting tougher than the raw statistics suggest. It's a strong unit for hunters willing to scout hard and work the public land seams.

Does Unit 20 have a general season for elk? No. Every hunt in Unit 20 is limited-quota and requires a successful draw — there is no general season option for any elk hunt in this unit, antlered or either-sex.