Idaho Unit 66 Elk Hunting Guide
The Big Picture on Unit 66
Idaho Unit 66 is a high-country elk unit sitting in southeastern Idaho, spanning 224,194 acres with an elevation range of 5,226 to 9,457 feet. With 94% public land, this unit offers some of the most accessible elk country in the state — hunters aren't spending half their scouting time deciphering land-status maps or knocking on doors for permission. The terrain climbs from sagebrush foothills into timbered ridges and alpine basins, giving elk a full range of habitat options depending on season and weather pressure.
The numbers tell a compelling story about hunter participation. In 2025, Unit 66 drew 4,094 hunters — a substantial field that signals genuine demand for this country. That's not a sleepy, forgotten unit. It's a place hunters are actively pursuing, which cuts both ways: good elk populations that attract attention, but real competition in the field. Understanding the harvest trends, the land, and the application process before committing time and money is exactly the kind of research that separates productive hunts from frustrating ones.
Unit 66 has zero designated wilderness, which is a significant practical detail. No pack-in-only basins, no mandatory outfitter requirement for nonresidents (Idaho does not impose a guide requirement in non-wilderness units), and road-accessible terrain throughout the unit. That makes this legitimate DIY country for both residents and nonresidents willing to put in the legwork.
Harvest Success Rates
The harvest data across recent years reveals an improving trend worth noting — but also a baseline that demands realistic expectations.
In 2023, Unit 66 saw 1,543 hunters harvest 236 elk, producing a 15% success rate. That's modest, and the relatively lower hunter count in 2023 compared to surrounding years may reflect draw structure or access conditions. By 2024, hunter numbers jumped significantly to 4,542 with 803 elk harvested — an 18% success rate. Then in 2025, 4,094 hunters took 849 elk for a 21% success rate, the best of the three-year window.
The trend line is positive. Success rates climbed from 15% to 18% to 21% over three years while the hunter count remained in the 4,000+ range. That's meaningful. It suggests the elk population is either stable or growing, and that hunting pressure hasn't degraded harvest opportunity. A 21% success rate for a unit with this many hunters is a respectable figure — roughly one in five hunters fills a tag, which is a realistic benchmark for planning purposes.
What drives success in a unit like this? The 9,457-foot ceiling means hunters who are willing to work into the high basins during the peak of the elk rut — which runs from approximately September 10 through September 25 — will encounter bulls before they've been educated by hunting pressure. The 5,226-foot floor means later-season hunting can push elk into lower, more accessible drainages as weather deteriorates. Hunters who time their hunts around these natural patterns and are physically prepared for 6,000 to 9,000 feet of mountain terrain will consistently outperform the unit average.
The jump from 1,543 hunters in 2023 to 4,542 in 2024 is worth flagging — that kind of year-over-year swing likely reflects draw structure changes or tag allocation adjustments rather than a sudden doubling of interest. Hunters researching this unit should check the HuntPilot unit page at huntpilot.ai/states/id for current draw structure details to understand what's driving participation numbers.
Trophy Quality
The counties overlapping Unit 66 have a limited history of trophy-class elk production. This is an honest assessment hunters should factor into their expectations. Unit 66 is not a marquee trophy destination — hunters pursuing record-book bulls should understand that the historical trophy record for this area is thin compared to Idaho's most celebrated elk units.
That doesn't disqualify Unit 66 as a worthwhile elk hunt. With 94% public land and improving harvest rates, this unit offers genuine opportunity for mature bulls and a quality mountain elk experience. But hunters with limited points or time who are specifically chasing a once-in-a-lifetime trophy animal should carefully evaluate whether Unit 66 is the right fit versus units with stronger documented trophy histories. For hunters seeking a quality hunt with good access, fair success odds, and legitimate public-land DIY opportunity, Unit 66 is a solid choice.
Access & Terrain
The 94% public land figure is the headline for Unit 66's access profile. For context, that's an exceptionally high public land percentage — hunters can cover enormous ground without worrying about trespassing or needing access permissions. The vast majority of the 224,194 acres is open to walk-in hunting.
With zero designated wilderness, the unit is road-accessible throughout. This is important for hunters planning solo or small-group DIY hunts. There are no pack-in-only zones where a licensed outfitter becomes practically necessary. Hunters can drive to a trailhead, establish camp, and work on foot or by horseback into the elk country without the logistical overhead of a full-service guided pack hunt.
The elevation range — 5,226 feet at the bottom to 9,457 feet at the top — creates a genuinely diverse landscape. Lower elevations support sagebrush and open grasslands transitioning to quaking aspen, mixed conifer, and eventually subalpine timber and open basins at the higher reaches. Elk use all of this depending on time of year and hunting pressure. Early-season hunters will find bulls in the upper basins and timbered ridges. As pressure mounts and temperatures drop, elk tend to push toward mid-elevation timber and eventually toward lower country and food sources.
The unit's terrain rewards physical conditioning and patience. Hunters who can cover miles in steep, timbered country — glassing from ridges, cutting into drainages, and calling in legal shooting lanes — will have the best results. Hunters expecting road-accessible elk within easy shooting distance of a truck are likely to be disappointed.
HuntPilot Analysis: Is Unit 66 Worth Applying For?
The honest answer: yes, with clear-eyed expectations.
Unit 66 checks several important boxes. The 94% public land makes it one of the most accessible units in Idaho for DIY elk hunting. The improving harvest trend — 15% in 2023 to 21% in 2025 — indicates a healthy, huntable elk population. The zero wilderness designation means nonresidents don't face guide requirements, and residents have full freedom to hunt on their own terms. The elevation range and terrain diversity give elk hunters real options across multiple hunt strategies.
The cautions are equally real. Trophy potential is limited compared to Idaho's elite elk units. Hunter participation is high — over 4,000 hunters in both 2024 and 2025 — meaning the unit carries real pressure, especially in road-accessible areas. Hunters who put in serious boot miles to reach the upper country will separate themselves from the crowd, but this isn't a unit where elk are naive and easy.
For residents looking for a solid public-land elk hunt with a fair shot at filling a tag, Unit 66 is genuinely worth pursuing. For nonresidents, the combination of 94% public land, improving success rates, and no outfitter requirement makes this an attractive DIY option. Trophy-focused hunters, particularly those with significant point investment, may want to compare Unit 66 against neighboring units with stronger trophy histories before committing.
Data sourced through HuntPilot, which tracks harvest trends, draw history, and trophy records across Idaho's elk units.
How to Apply
Idaho's elk draw applications for Unit 66 open on May 1, 2026, with a deadline of June 5, 2026. Results are announced July 1, 2026.
2026 Nonresident Elk Applicants:
- Application opens: May 1, 2026
- Application deadline: June 5, 2026
- Application fee: $18.00
- Tag fee (if drawn): $652.00
- License fee (required to apply): $185.00
Nonresident hunters must hold a valid Idaho hunting license before they can apply — that $185.00 license fee is not optional and is required as part of the application process, not just upon drawing a tag. Factor the total cost accordingly: the nonresident application package runs $203 upfront, with an additional $652 due upon drawing.
2026 Resident Elk Applicants:
- Application opens: May 1, 2026
- Application deadline: June 5, 2026
- Application fee: $6.25
- Tag fee (if drawn): $37.00
- License fee (required to apply): $14.75
Resident hunters face the same timeline and the same requirement to hold a valid Idaho hunting license before applying. The total resident upfront cost is approximately $21, with $37 additional upon drawing.
Applications are submitted through the Idaho Department of Fish and Game's online licensing portal. For current draw odds, quota details, and per-hunt breakdown by application type, visit the HuntPilot Idaho page at huntpilot.ai/states/id.
Dates and fees are subject to change. Always verify current application details at the Idaho Department of Fish and Game website before applying.
Frequently Asked Questions
What is the terrain like in Idaho Unit 66?
Unit 66 covers 224,194 acres of southeastern Idaho mountain country ranging from 5,226 to 9,457 feet in elevation. The lower portions of the unit are sagebrush and open grasslands that transition into timbered ridges, quaking aspen groves, and mixed conifer forest at mid-elevations. The upper reaches include subalpine timber and open high-country basins. With 94% public land and no designated wilderness, the unit is road-accessible throughout, making it genuinely DIY-friendly. Hunters should be prepared for steep, physically demanding terrain — the best elk country sits well above the trailheads.
What is the harvest success rate in Idaho Unit 66?
Recent harvest data shows a clear improving trend. In 2023, Unit 66 produced a 15% success rate across 1,543 hunters. In 2024, success climbed to 18% with 4,542 hunters participating. In 2025, 4,094 hunters harvested 849 elk for a 21% success rate. The three-year trend from 15% to 21% is encouraging and suggests a stable-to-improving elk population relative to hunting pressure. A one-in-five success rate is a realistic benchmark for planning a Unit 66 elk hunt.
How big are the elk in Idaho Unit 66?
Based on available trophy records, the counties overlapping Unit 66 have a limited history of trophy-class elk production. This is not one of Idaho's premier trophy elk destinations. Hunters should approach Unit 66 as a quality public-land opportunity with solid harvest rates rather than a trophy-focused destination. Mature bulls are present, but hunters specifically targeting record-book elk may want to research units with stronger documented trophy histories before deciding where to invest their application.
Is Idaho Unit 66 worth applying for?
For hunters seeking a DIY public-land elk hunt with strong access and improving success rates, Unit 66 is a solid choice. The 94% public land, no wilderness designation, zero outfitter requirement for nonresidents, and a 21% success rate in 2025 all point to a huntable, accessible unit. The primary limitations are moderate trophy potential and significant hunter participation — over 4,000 hunters in 2025 means competition is real. Hunters willing to work the upper elevation country away from road access will have the best experiences. For current draw odds and quota information, visit the HuntPilot unit page at huntpilot.ai/states/id.
What does it cost to apply for Unit 66 elk as a nonresident in 2026?
Nonresident applicants must pay a $185.00 Idaho hunting license fee (required to apply), a $18.00 application fee, and — if drawn — a $652.00 tag fee. The upfront cost before the draw is $203.00. If successful, the total investment in tags and license reaches $855.00 before any hunt-related expenses. Resident applicants pay a $14.75 license fee, a $6.25 application fee, and a $37.00 tag fee if drawn, for a total of $58.00. All applications open May 1, 2026, with a June 5, 2026 deadline.