Colorado Unit 122 Mule Deer Hunting Guide

Colorado Unit 122 sits on the eastern plains landscape, a low-elevation unit ranging from 3,828 to 4,595 feet across 631,704 total acres. For hunters researching mule deer opportunities in this part of Colorado, Unit 122 presents a unique set of tradeoffs — a large unit footprint paired with extremely limited public access, making it a unit that demands careful homework before hunters commit a season and points to it.

This is not a unit built around vast national forest or wilderness tracts. With only 3% of its acreage classified as public land and 0% wilderness, Unit 122 is overwhelmingly private ground. That single fact should drive almost every planning decision a hunter makes here, from tag strategy to whether DIY access is even realistic. Below, we break down what the harvest data, survey data, and application numbers actually tell hunters considering Unit 122 for mule deer.

HuntPilot Analysis: Is Unit 122 Worth Applying For?

The honest answer depends entirely on what a hunter is looking for. Unit 122's harvest numbers show real opportunity: in 2025, 1,077 hunters harvested 295 deer for a 27% success rate. That followed stronger years — 2024 posted a 38% success rate on 478 hunters (184 harvested), and 2023 matched that with a 38% success rate on 276 hunters (104 harvested). Success rates in the high 30s are respectable for mule deer, and even the drop to 27% in 2025 still reflects more than one in four hunters connecting.

But the access picture complicates that opportunity significantly. With just 3% public land, the vast majority of Unit 122's 631,704 acres sits behind private fences. This isn't a unit where a hunter can show up, study a map, and expect to find open public ground to still-hunt or glass from public vantage points. Most hunters who pursue Unit 122 successfully are doing so through some combination of landowner access, leased ground, or outfitted hunts on private property — a reality echoed in general forum discussion from hunters navigating Colorado's mixed-ownership units for the first time.

The wildlife survey data adds another layer of caution. The single available survey year (2024) reported a buck:doe ratio of 28:100 across just one survey. A ratio that low, from a single survey year, doesn't give hunters much to work with in terms of assessing herd age structure or bull-to-doe balance trends. HuntPilot's data shows this is the only survey year available for the unit, so there's no multi-year trend to lean on — hunters should treat this ratio as a data point, not a definitive herd health verdict.

Trophy potential in the counties overlapping Unit 122 shows a moderate history of record-book entries. That doesn't mean hunters should expect an all-time-caliber buck around every fence line, but it does indicate the area has produced trophy-class deer over time. Given the low public land percentage, most of that trophy production likely comes off private ground with controlled hunting pressure — which is often exactly the kind of environment that lets bucks reach maturity.

Bottom line: Unit 122 is worth applying for if hunters have secured private land access, are working with an outfitter, or have a landowner voucher/relationship already lined up. For a hunter without an access plan, the 3% public land figure alone should be a red flag. This is not a walk-in DIY unit, and hunters chasing an accessible over-the-counter-style public land experience should look elsewhere before spending points or application fees here.

Access & Terrain

Unit 122's terrain sits at a relatively low elevation band for Colorado mule deer country — 3,828 to 4,595 feet — which puts it in classic eastern plains habitat rather than high-country alpine terrain. This lower elevation profile typically means winter range and agricultural-adjacent habitat rather than steep, timbered mountain slopes.

The defining access characteristic of this unit is its land ownership breakdown. At 3% public land, Unit 122 ranks among the most privately-held units hunters will encounter in Colorado's mule deer draw. There is no wilderness acreage (0%) contributing to the public access picture either. Practically speaking, this means:

• Public hunters without landowner permission will find very limited legal ground to hunt.
• Scouting via public land access points will be minimal — most of the unit's 631,704 acres will require permission, a lease, or an outfitted arrangement to access.
• Hunters planning a DIY DIY approach should not assume they can piece together a hunt from public parcels alone; the math simply doesn't support it at 3%.

Hunters serious about scouting Unit 122 should use HuntPilot's public land mapping tools to identify exactly where the limited public parcels lie before investing time or points into an application. Given how little public ground exists, knowing precisely where it sits — and whether it connects to any road access — is critical homework, not optional.

Herd Health & Population Trends

The available wildlife survey data for Unit 122 covers a single year: 2024, showing a buck:doe ratio of 28:100. This is a low ratio relative to healthy mule deer benchmarks, and with only one survey year on record, HuntPilot's data doesn't allow for a multi-year trend comparison.

Hunters should treat this figure cautiously. A single-year snapshot doesn't reveal whether the ratio is improving, declining, or stable, and without additional survey years, it's impossible to say whether 28:100 represents a herd under pressure or simply a smaller sample that doesn't fully capture the unit's buck population. What can be said is that the ratio doesn't suggest an abundance of mature bucks relative to does in the surveyed sample, and hunters banking on a high number of shooter bucks per doe group should temper those expectations accordingly.

Trophy Quality

Trophy records from the counties overlapping Unit 122 show a moderate history of production. This qualifies as real but limited trophy potential — the area has produced entries in the record books over time, but it isn't among the standout trophy pedigree units in the state. Because record-book entries are logged at the county level rather than the unit level, the entries associated with Unit 122's overlapping counties are shared with neighboring units as well, meaning the animals attributed to that trophy history may have come from anywhere within those county boundaries, not necessarily from within Unit 122's own borders.

Given the unit's overwhelmingly private land composition, any trophy-class bucks taken here are most likely coming off private ground where hunting pressure is naturally limited by landowner control. Hunters chasing a genuine trophy buck in Unit 122 should focus energy on securing access to well-managed private parcels rather than expecting public-land encounters with mature deer.

Harvest Success Rates

Unit 122's harvest data over the past three seasons shows a unit that produces solid results for those who hunt it:

• 2025: 1,077 hunters, 295 harvested, 27% success rate
• 2024: 478 hunters, 184 harvested, 38% success rate
• 2023: 276 hunters, 104 harvested, 38% success rate

The trend worth noting is the significant jump in hunter numbers from 2023 and 2024 into 2025 — more than doubling from 478 to 1,077 hunters — while total harvest numbers rose but success rate dropped from 38% to 27%. This pattern is consistent with more hunters competing for a similar pool of huntable deer and access points, a dynamic that tracks logically with a unit that has extremely limited public ground. As hunter numbers increase without a corresponding increase in accessible habitat, per-hunter success naturally dilutes.

For hunters weighing whether to apply, the historical 38% success rates in 2023 and 2024 are encouraging, but the more recent 27% in 2025 is the number to plan around, especially if the trend of increasing hunter pressure continues.

How to Apply

Colorado's 2026 deer application window opens March 1, 2026, with a deadline of April 7, 2026. Draw results are expected May 26, 2026 for both resident and nonresident applicants.

Fee breakdown for 2026 Colorado deer applications:

Resident:

• Application fee: $9
• Tag fee: $51
• License fee (required to apply): $53.19
• Point fee: $50

Nonresident:

• Application fee: $11
• Tag fee: $507
• License fee (required to apply): $117.62
• Point fee: $100

Note that Colorado requires hunters to hold a qualifying license before they're eligible to apply for the draw — this license fee ($53.19 resident / $117.62 nonresident) is a separate cost on top of the application fee itself, and it's a step first-time Colorado applicants sometimes overlook.

Given the unit's very low public land percentage, nonresident hunters in particular should factor in the significant cost difference — a $507 tag fee plus the $117.62 license fee represents a substantial investment, and that investment should come with a confirmed access plan for a unit that is 97% privately held.

Dates and fees are subject to change. Always verify current application details at the state wildlife agency website before applying. For current draw odds specific to Unit 122, check HuntPilot's Colorado unit pages at /states/co.

Frequently Asked Questions

What is the terrain like in Colorado Unit 122? Unit 122 sits at a lower elevation range for Colorado mule deer country, from 3,828 to 4,595 feet, consistent with eastern plains terrain rather than high alpine mountain habitat. There is no wilderness acreage in the unit (0%), and the terrain data available doesn't include additional slope or vegetation detail beyond the elevation band.

What is harvest success like in Unit 122? Recent harvest success has ranged from 27% to 38%. The 2023 and 2024 seasons both posted 38% success rates, while 2025 saw success drop to 27% as hunter numbers more than doubled to 1,077. Hunters should plan around the more recent 27% figure given the apparent trend of increasing hunting pressure.

Is Colorado Unit 122 worth applying for? It depends heavily on access. The unit shows workable harvest success rates and a moderate trophy history in the surrounding counties, but with only 3% public land and no wilderness acreage, hunters without a secured private land arrangement, outfitter relationship, or landowner access will struggle to hunt this unit effectively. It's a stronger option for hunters with an access plan already in place than for those hoping to draw and figure out logistics afterward.

How big are the mule deer in Unit 122? Trophy records from the counties overlapping Unit 122 show a moderate history of production, indicating the area has produced trophy-class bucks over time without being one of the state's standout trophy destinations. Because these records are tracked at the county level, they're shared with neighboring units, so they don't confirm exactly how many trophy bucks came specifically from within Unit 122's boundaries.

What is the buck-to-doe ratio in Unit 122? The only available survey year (2024) reported a buck:doe ratio of 28:100. With just one survey year on record, this figure should be treated as a limited data point rather than a confirmed multi-year trend, and hunters shouldn't draw strong conclusions about long-term herd health from a single survey.