Oregon Unit BIGGS Mule Deer Hunting Guide

Unit BIGGS sits in north-central Oregon, a low-elevation stretch of country ranging from just 97 feet up to 4,315 feet, spread across 1,263,612 acres. For hunters researching Oregon mule deer hunting opportunities, BIGGS presents a unique profile: massive total acreage, but only 15% of that ground is public land. That combination shapes nearly everything about how this unit hunts, from access strategy to realistic expectations on buck quality.

This is a unit where the numbers tell a layered story. Harvest success has bounced dramatically over the past decade, herd survey data shows a buck:doe ratio well below what most mule deer hunters want to see, and the vast majority of the landscape is locked up in private ownership. None of that means BIGGS should be crossed off a list — but it does mean hunters need to go in with eyes open and a plan built around the actual data, not general assumptions about Oregon mule deer country.

Herd Health & Population Trends

The wildlife survey data for BIGGS, based on five survey years from 2021 through 2025, shows an average buck:doe ratio of 20:100. That is a low ratio by mule deer standards — well under the 40:100 mark that would typically raise a survey flag for a small sample size on the high end, and far below what hunters see in herds considered strong or recovering. A 20:100 ratio suggests a buck segment that is thin relative to the doe population, which generally points to either heavy hunting pressure on bucks, limited buck survival to maturity, or both.

This is a critical data point for anyone deciding whether to spend points or dollars on this unit. A low buck:doe ratio doesn't necessarily mean there are no deer — BIGGS clearly supports a huntable population given the hunter and harvest numbers below — but it does suggest that mature bucks are a smaller percentage of the herd than in units with healthier ratios. Hunters chasing a top-end buck should weigh this figure heavily against their goals.

Harvest Success Rates

BIGGS has produced a wide range of harvest outcomes over the last decade, and the swings are worth understanding before applying.

From 2020 through 2024, the unit posted consistently strong numbers for hunters seeking a deer, not necessarily a trophy:

• 2024: 1,209 hunters, 561 harvested, 46% success
• 2023: 1,248 hunters, 614 harvested, 49% success
• 2022: 1,259 hunters, 559 harvested, 44% success
• 2021: 1,263 hunters, 636 harvested, 50% success
• 2020: 1,286 hunters, 638 harvested, 50% success

Those five years show a mature, high-volume hunt with success rates hovering in the mid-to-high 40s and touching 50% twice. That is a notably strong success rate for a general mule deer hunt in Oregon, and it suggests the deer are there and huntable when conditions align.

But look back further and the picture changes sharply. In 2015 through 2017, success rates sat at just 11-12% despite similar or higher hunter counts (1,376 to 1,480 hunters). Then 2018 recorded only 1% success across 1,293 hunters — an outlier year that stands out even against the rest of the data set. And 2019 shows just 12 hunters and 9 harvested (75% success), a sample size far too small to draw any conclusion from.

The takeaway: recent years (2020-2024) represent a dramatically improved and more consistent harvest environment compared to the 2015-2018 stretch. Hunters relying on older forum chatter or outdated draw-odds discussions about this unit should recognize that the current harvest trend looks considerably better than it did a decade ago. Still, the volatility in this data set — from 1% to 50% success in the span of a few years — means hunters should treat any single year's success rate cautiously and look at the multi-year trend rather than one outlier season.

Trophy Quality

Trophy records tied to the counties overlapping Unit BIGGS reflect a moderate history of trophy production. This isn't a unit with a deep, decades-long pedigree of exceptional bucks, but it isn't devoid of trophy potential either. Given the low buck:doe ratio identified in the survey data, hunters should calibrate expectations: this looks more like a unit that can produce a mature buck for a patient, well-scouted hunter, rather than a unit stacked with trophy-class deer waiting to be found.

Because trophy records are logged at the county level and shared across every unit that overlaps those counties, any trophy buck credited to this area could have come from BIGGS or from a neighboring unit sharing the same counties. Hunters should treat the trophy data as a regional indicator, not unit-exact proof of what's walking around inside BIGGS boundaries specifically.

Access & Terrain

This is where BIGGS presents its biggest challenge. With only 15% public land across 1,263,612 acres, the overwhelming majority of this unit is privately owned. That means DIY hunters relying on public ground will be competing for a small fraction of the total landscape, and much of the best deer habitat may sit behind fences that require landowner permission, lease access, or outfitted hunts to reach.

Hunters should not treat BIGGS as a DIY-friendly public-land unit. With public access this limited, a real access strategy — whether that's building relationships with private landowners, researching walk-in access programs through the state, or budgeting for a guided hunt on private ground — is essential before applying. Showing up with only a general map and public-land layer will leave most hunters boxed into a small sliver of huntable terrain.

Elevation in the unit runs from near sea level (97 feet) up to 4,315 feet, indicating a low-relief landscape without significant high-country escape terrain. This is consistent with the kind of rolling, lower-elevation ground typical of north-central Oregon's agricultural and rangeland zones, where deer often key in on food sources and cover patches rather than elevation-driven migration. There is no wilderness designation in this unit (0%), so hunters won't be dealing with backcountry pack-in logistics — but they will need to navigate the private-land puzzle instead.

HuntPilot Analysis: Is Unit BIGGS Worth Applying For?

Unit BIGGS is a mixed bag, and the honest answer depends entirely on what a hunter is looking for.

The case for applying: Recent harvest success (44-50% from 2020-2024) is genuinely strong for a general mule deer hunt, and it reflects a meaningful improvement over the unit's much weaker 2015-2018 stretch. For a hunter who wants a realistic shot at putting a deer down and doesn't need a wall-hanger, BIGGS' recent numbers are hard to ignore.

The case for caution: Public land sits at just 15%, meaning access is the single biggest hurdle in this unit. Combine that with a buck:doe ratio of 20:100 — a figure indicating a thin mature-buck population relative to does — and this is not a unit built for trophy hunters chasing a wall-hanger. Trophy records for the surrounding counties show only moderate historical production, reinforcing that BIGGS is better framed as an opportunity unit than a trophy destination.

Bottom line: BIGGS is worth considering for hunters prioritizing a filled tag over antler size, provided they have a legitimate private-land access plan in place before they apply. Hunters chasing genuine trophy potential, or those without any private-land connections in the area, should look elsewhere or treat this as a long-shot unit rather than a primary target. As always, run the current numbers through HuntPilot's unit data tools before committing points or application dollars — the multi-year swings in this unit's harvest data make it especially important to look at trends rather than a single year's snapshot.

How to Apply

For current draw odds specific to Unit BIGGS, visit HuntPilot's Oregon state page at /states/or, which tracks year-over-year application data.

Application dates and fees change every draw cycle. For the current deadlines, fees, and draw odds, see HuntPilot's Oregon page at /states/or.

Frequently Asked Questions

What is the terrain like in Oregon Unit BIGGS? BIGGS is a low-elevation unit, ranging from 97 feet to 4,315 feet across 1,263,612 total acres. There is no wilderness designation, so the terrain doesn't feature the rugged backcountry pack-in country found in higher-elevation Oregon units. Instead, expect rolling, lower-relief ground typical of north-central Oregon, much of which falls under private ownership.

What is harvest success like in Unit BIGGS? Harvest success has varied widely over the past decade. Recent seasons (2020-2024) have shown strong, consistent success rates between 44% and 50%. However, 2015-2018 told a very different story, with success rates dropping as low as 1% in 2018 and sitting around 11-12% in the preceding years. Hunters should weigh the recent five-year trend more heavily than the older data when evaluating this unit.

How big are the mule deer in Unit BIGGS? Trophy records for the counties overlapping BIGGS show a moderate history of trophy production — not a unit known for consistently large bucks, but not without trophy-class history either. Combined with a survey-documented buck:doe ratio of 20:100, hunters should expect this unit to favor opportunity over trophy potential, with a mature buck being an achievable but not guaranteed outcome.

Is Unit BIGGS worth applying for? It depends on priorities. For hunters focused on filling a tag, recent harvest success rates (44-50% from 2020-2024) make BIGGS a reasonably strong option. For hunters chasing a true trophy buck, the low buck:doe ratio and only moderate trophy history suggest better options may exist elsewhere. The unit's biggest limiting factor for any hunter is access — with just 15% public land, a private-land access plan is essential before applying.

Is Unit BIGGS a good DIY public-land hunt? Not really. With only 15% of the unit's 1,263,612 acres classified as public land, the majority of huntable ground is privately owned. DIY hunters without existing landowner access or a walk-in access plan will find their options significantly limited compared to units with higher public-land percentages.