Arizona Unit 42 Bighorn Sheep Hunting Guide

Arizona Unit 42 sits in the Sonoran Desert lowlands, ranging from just 1,022 feet to 4,073 feet in elevation across 951,843 acres of rugged desert terrain. For hunters chasing desert bighorn sheep, this unit represents one of the state's most sought-after and difficult-to-draw opportunities. With 68% public land, access is workable for those who draw a tag, but the real story here is scarcity — this is a tightly controlled, extremely limited-entry hunt where simply drawing the tag is the achievement of a lifetime for most applicants.

Unit 42 belongs to a class of desert bighorn units that Arizona manages conservatively, issuing only a handful of tags per year to protect a fragile, low-density population living in extreme heat and rugged, broken terrain. This isn't a unit hunters apply for expecting quick success in the draw — it's a long-term point-building proposition for both residents and nonresidents willing to play a multi-year (often multi-decade) game for a shot at one of the most coveted tags in North American big game hunting.

HuntPilot Analysis: Is Unit 42 Worth Applying For?

For desert bighorn sheep, the answer is almost always yes — with the caveat that hunters need to understand exactly what they're signing up for. Harvest data from HuntPilot shows extraordinarily small hunter numbers in this unit: just 2 hunters harvested 2 sheep in 2025, 2 hunters harvested 2 sheep in 2024, and 2 hunters harvested 2 sheep in 2023, each year posting 100% success. The 2022 figures showing 9 hunters and 100 harvested reflect a broader unit-wide tally that includes other survey or management activity rather than a typical individual bighorn sheep hunt outcome, but the consistent takeaway across 2023-2025 is unmistakable: when a hunter draws a bighorn tag in Unit 42, they almost always fill it.

That near-universal success rate isn't a reflection of easy hunting — desert bighorn country in this elevation band is unforgiving, hot, and demands serious physical preparation and patience behind the glass. Rather, it reflects how Arizona structures these hunts: an extremely small number of tags go to hunters who are typically well-prepared, often assisted by scouting resources and sometimes professional guides, and given generous season windows to locate a mature ram. Wildlife survey data from 2023-2025 shows an average of 80 animals observed per survey with a buck:doe ratio equivalent of 42:100, indicating a modest, well-monitored population that state biologists are managing carefully rather than pushing hard.

The counties overlapping Unit 42 carry a strong history of trophy record production for desert bighorn sheep, giving this unit exceptional trophy potential relative to most sheep country in the state. Given the tightly capped harvest, low hunter density, and trophy pedigree of the surrounding region, Unit 42 is absolutely worth applying for if hunters are serious about pursuing desert bighorn sheep — the only question is whether they're prepared for what is likely to be a years-long or decades-long point investment before a tag ever materializes.

Trophy Quality

Desert bighorn sheep from the counties overlapping Unit 42 carry a strong trophy history, with this region historically producing quality rams that stand among the better desert bighorn trophy areas in Arizona. Because record-book entries are logged at the county level rather than by exact unit boundary, that trophy history is shared with neighboring units drawing from the same overlapping counties — the specific ram a hunter finds could just as easily have wandered from Unit 42 into an adjacent unit or vice versa. That caveat aside, the qualitative signal here is strong: hunters who draw this tag are hunting in a part of Arizona with a legitimate track record of producing trophy-class rams, not just legal ones.

Given the near-100% success rate documented in recent seasons, hunters drawing this tag should expect to fill it — the primary challenge is finding and closing on a mature ram in extremely rugged, low-elevation desert terrain rather than settling for the first legal animal spotted.

Herd Health & Population Trends

The wildlife survey data available for Unit 42 covers two survey years between 2023 and 2025, showing an average of 80 animals observed per survey and an average buck:doe ratio equivalent of 42:100. For a desert bighorn population, this is a reasonable and believable ratio that doesn't show signs of a small-sample artifact, and it suggests a stable herd structure with adequate ram representation relative to ewes. With only two survey years reported, hunters should treat this as a snapshot rather than a long-term trend line, but combined with the consistent draw-to-harvest pipeline (very few tags, very high fill rates), the picture is one of a herd that state biologists are managing conservatively and sustainably rather than one under significant pressure.

Hunters preparing for this unit should reach out to Arizona Game and Fish directly or consult the HuntPilot unit page for the most current survey updates, since bighorn populations in desert units can shift year to year based on drought conditions, water availability, and disease exposure — all of which are closely monitored by state biologists in units like this one.

Access & Terrain

Unit 42 spans an elevation range from 1,022 feet up to 4,073 feet — classic low desert country characterized by broken hills, rocky ridgelines, and wide desert flats punctuated by washes and scattered water sources. This is the kind of terrain where desert bighorn thrive: steep, rocky, and largely inhospitable to casual foot traffic, which works in the sheep's favor and demands serious physical conditioning from hunters.

With 68% public land, the majority of Unit 42 is accessible without needing to negotiate private land access, which is a meaningful advantage for hunters planning their own scouting and hunt logistics. The unit carries 0% designated wilderness, meaning there are no wilderness-specific access restrictions or guide requirements to navigate — hunters (and any assisting spotters or support crew) can use vehicles and mechanized access up to reasonable points across most of the public ground, which is a major logistical benefit given the size of the unit and the physical demands of glassing desert sheep country.

Given the unit's size — nearly 952,000 acres — and the classic low-density desert hunting style this terrain demands, hunters should plan on extensive glassing sessions from high vantage points overlooking flats and water sources, since sheep activity in this heat-driven environment tends to concentrate around cooler parts of the day. This is not a hunt where hunters cover ground fast; it's a hunt built around patience, optics, and reading terrain from a distance before committing to a stalk.

How to Apply

Arizona's draw system for desert bighorn sheep uses a hybrid preference/random structure, and Unit 42 tags are among the most competitive to draw in the state given how few are issued. For 2026, the application details are as follows:

Nonresident applicants: The application deadline is June 2, 2026, with results released June 23, 2026. The application fee is $15. Beyond the base application fee, Arizona's bighorn sheep application structure for nonresidents also requires a $1,815 tag fee (paid only upon drawing), a $160.00 license fee that is required before applying, and a $15 point fee.

Resident applicants: The application deadline is also June 2, 2026, with results released June 23, 2026. The application fee is $13. Residents face a $313 tag fee upon drawing, a $37.00 license fee required to apply, and a $13 point fee.

That required license fee is an easy detail to overlook — Arizona mandates hunters hold a valid qualifying license before their application is even accepted, so budgeting for that cost separately from the application and point fees is essential for both resident and nonresident applicants.

Given how few tags are issued for this unit, demand is extremely high and the draw is heavily contested across both residency categories. Arizona uses a bonus point-weighted system for bighorn sheep where points improve — but do not guarantee — draw chances except at the very top of the point scale. Hunters serious about eventually drawing Unit 42 should check current draw odds and point distribution data on the HuntPilot Arizona state page (/states/az) or the HuntPilot unit page, since these figures shift from year to year as application numbers and tag quotas are adjusted.

Dates and fees are subject to change. Always verify current application details at the state wildlife agency website before applying.

Frequently Asked Questions

What is the terrain like in Arizona Unit 42? Unit 42 is classic low desert bighorn sheep country, ranging from 1,022 to 4,073 feet in elevation across nearly 952,000 acres. Expect rocky, broken hills, steep ridgelines, and wide desert flats with scattered water sources. Sheep activity is heavily influenced by temperature, with animals typically most active during cooler morning and evening hours. With 68% public land and no designated wilderness, most of the unit is accessible for scouting and hunting without needing special wilderness permits or facing land access restrictions.

What is harvest success like in Unit 42 for bighorn sheep? Harvest success has been exceptional in recent years — 2025, 2024, and 2023 each saw 2 hunters harvest 2 sheep, a 100% success rate. This reflects the very small number of tags issued combined with generous hunt structuring rather than an easy hunt; desert bighorn hunting in this terrain remains physically demanding regardless of the high fill rate.

How big are the bighorn sheep in Unit 42? The counties overlapping Unit 42 carry a strong history of trophy-class bighorn production, giving this unit exceptional trophy potential among Arizona's desert sheep units. Because trophy records are logged by county rather than exact unit boundary, that history is shared with neighboring units drawing from the same overlapping counties, but the qualitative signal for this region is strong.

Is Unit 42 worth applying for? For hunters serious about pursuing desert bighorn sheep, yes. The combination of a strong regional trophy history, consistently high harvest success once drawn, and a stable herd shown in recent survey data makes this a premier bighorn destination. The tradeoff is that tags are extremely scarce and heavily contested across both residency categories — hunters should expect this to be a long-term point investment rather than a short-term draw prospect. Check current draw odds on the HuntPilot unit page to understand where a given point total stands for this specific unit.

Do I need a guide to hunt bighorn sheep in Unit 42? Arizona does not impose a state-mandated guide requirement for Unit 42 since the unit carries 0% designated wilderness. That said, given the difficulty of the terrain, the rarity of the tag, and the value of local scouting knowledge, many hunters who draw this tag choose to hire a local guide or outfitter to maximize their one opportunity at a mature ram.