Unit 44 Columbia Basin

Sprawling private ag unit along the Columbia where mule deer hide in the cover and public ground is scarce.

North-Central Oregon — Columbia Basin · Last reviewed 2026-07-12

Mule deer buck trotting across open prairie at dusk

Area

2,858

sq mi

Public land

5%

approx.

Elevation

160–2,600

feet

Motorized

moderate

access

Overview

Unit 44 (Columbia Basin) is a roughly 2,860-square-mile expanse of Gilliam, Morrow and Umatilla county farmland stretching along the Columbia River for nearly 100 miles between Arlington and the Pendleton area. It is overwhelmingly private — ODFW lists only about 5% publicly accessible — a patchwork of dryland wheat, irrigated center-pivot circles and rolling bunchgrass range with very little cover. Mule deer are the mainstay where they can find brush and canyon breaks; elk are scarce and the unit is a formal elk de-emphasis area with no management objective, while pronghorn use the open flats around Horn Butte and the Boardman-area range. Legal access, not game, is the defining challenge here.

Terrain

Broad, gently rolling Columbia Basin tableland — dryland wheat and fallow, irrigated pivot circles and open bunchgrass range — cut by shallow draws and by the deeper canyons of Willow Creek and the lower Umatilla/John Day tributaries. The land tilts down to near sea level along the Columbia and rises gradually toward the Blue Mountain foothills at the south and east edges.

Cover: Dryland wheat, fallow and irrigated crops dominate, interspersed with big-sagebrush and bunchgrass range and CRP grassland. Cover is sparse — willow and cottonwood cling to creek bottoms, with scattered sage and a little juniper on the range breaks.

Landmarks: Columbia River (north boundary, ~100 miles) · Horn Butte (public range SE of Arlington) · Naval Weapons Systems Training Facility Boardman (bombing range) · Willow Creek and Willow Creek drainage · Boardman / Port of Morrow irrigated ag district · Blue Mountain foothills (south/east edge near Heppner-Pendleton)

Access

ODFW lists the unit at only about 5% public — roughly 45 scattered, mostly sub-100-acre parcels, with the largest block being about 6,000 BLM acres around Horn Butte southeast of Arlington. Almost everything else is private farm and range requiring landowner permission or enrollment in an Access & Habitat / walk-in program. The Naval Weapons Systems Training Facility Boardman is a restricted military range with its own controlled access. Plan the hunt around securing permission, not around finding open public ground.

Managers: Private dryland-wheat and irrigated farms and ranches (vast majority), BLM (scattered small parcels; ~6,000 acres around Horn Butte), U.S. Navy / State - Boardman range and Columbia Basin grasslands (restricted), ODFW Access & Habitat regulated hunt areas (some private-land programs)

Access points: Horn Butte BLM block southeast of Arlington · County roads off I-84 at Arlington, Boardman and Umatilla · Willow Creek corridor via Hwy 74 (Ione-Heppner) · Hwy 206 / Hwy 207 between Condon, Heppner and the Columbia · A&H / walk-in enrolled private lands (check current ODFW listings)

Species notes

Mule Deer

common opportunity

Mule deer are the mainstay of Unit 44, common wherever they can find cover in this open ag landscape — canyon breaks, CRP grass, creek brush and sage pockets between the fields. Deer hunting is controlled (draw); the unit produces some good bucks but access to private ground is the limiting factor, making it an opportunity-grade deer hunt for most.

  • Hunt the cover — Willow Creek and tributary breaks, CRP fields, brushy draws and sage pockets where deer bed off the open ground
  • Glass wheat-stubble, fallow and pivot-circle edges at first and last light
  • Secure private-land permission or target A&H/walk-in enrolled parcels and the Horn Butte BLM block
  • Still-hunt the folds and creek draws midday when deer hold tight to limited cover

Pronghorn

limited opportunity

Pronghorn use the open bunchgrass flats and range of the Columbia Basin, notably around Horn Butte and the Boardman-area grasslands. Numbers are modest and much of the antelope range is private or restricted (the Navy range), so this is a limited-entry opportunity hunt.

  • Glass the open flats and fallow from rises early and late
  • Focus on the Horn Butte public block and adjacent range where antelope concentrate
  • Plan long open-country stalks using terrain folds and draws for cover
  • Nail down private-land access ahead of the season — it usually decides the hunt

Rocky Mountain Elk

transient low

Elk are scarce in Unit 44 — ODFW manages it as an elk de-emphasis area with no management objective, meaning elk aren't encouraged here because of ag conflict. Small groups drift through the creek bottoms and range, mostly on private land. Treat elk as a marginal, opportunistic proposition, not a reason to choose the unit.

  • Focus on Willow Creek and other riparian corridors and CRP where transient bands loiter
  • Glass field edges and draws at dawn; elk here shelter tight to private ag
  • Expect to chase scattered groups and rely on private-land permission
  • Pair any elk effort with deer scouting rather than hunting elk as the goal

Bighorn Sheep

transient low

Bighorn are at best a fringe presence in Unit 44, associated with rimrock and canyon breaks near the unit edges rather than a resident basin herd. Any tag is a near-zero-odds once-in-a-lifetime draw and may not be offered in a given year; this is not a bighorn destination.

  • Work rimrock and canyon breaks along the unit's margins where sheep occasionally range
  • Coordinate with ODFW district biologists on any current sheep locations
  • Treat a drawn tag as a long, low-density search

Black Bear

transient low

Black bears are a marginal, transient presence in this dry ag basin, more likely toward the wooded Blue Mountain foothills at the south and east edges. ODFW offers a spring controlled opportunity, but encounters are uncommon and incidental.

  • Focus on the brushier creek bottoms and the forested foothill fringe at the unit's south/east edge
  • Glass green riparian corridors and draws at dawn and dusk in spring
  • Treat bear as an incidental add-on rather than a primary hunt

Cougar

limited opportunity

Cougars follow the mule deer through the creek breaks and brushy draws of the basin, with higher likelihood toward the forested foothills. Densities are low across the open farmland, and cats are usually taken incidentally or by hunters cutting fresh sign.

  • Cut tracks in snow along creek breaks, canyon draws and deer concentrations
  • Focus on Willow Creek cover and the wooded foothill fringe
  • Predator-call in brushy draws during winter
  • Treat as an opportunistic add-on to a deer or winter scouting trip

Pro tips

  • The whole game here is access — only ~5% is public; line up private permission or A&H/walk-in parcels before you draw, and map the ~45 scattered public parcels plus the Horn Butte BLM block
  • Hunt cover, not open ground: Willow Creek breaks, CRP, sage pockets and pivot-circle edges are where mule deer live in this ag country
  • Don't plan on elk — Unit 44 is a formal elk de-emphasis area with no management objective and few elk
  • The Naval Weapons Systems Training Facility Boardman is a restricted military range; don't count on it for general access
  • Wind is relentless along the Columbia — factor it into every stalk and glassing setup

Watch out for

  • !Extremely limited public land (~5%, mostly tiny scattered parcels) — verify every boundary with a current parcel/GPS layer before hunting
  • !Elk de-emphasis area with no management objective; elk are scarce by design
  • !Naval Weapons Systems Training Facility Boardman is a restricted range with controlled access — not open public ground
  • !Trespass risk is high in this checkerboard of private farms; get written permission
  • !Farm and range roads turn to greasy mud after rain, and the Columbia corridor wind is a constant factor

Logistics

This is populated ag country by high-desert standards — I-84 runs the Columbia edge, and Boardman, Arlington, Heppner, Hermiston and Pendleton offer fuel, lodging and full supplies. Cell coverage is generally good along the interstate and towns and fair across the farmland. The catch isn't remoteness, it's access: with only ~5% public land, the hunt lives or dies on landowner relationships, A&H/walk-in enrollment, and knowing exactly where the scattered public parcels and Horn Butte block sit. Carry current parcel mapping.

Nearest towns: Boardman, OR, Arlington, OR, Heppner, OR, Ione, OR, Condon, OR, Pendleton, OR, Hermiston, OR

Nearby units

FAQ

How big is Unit 44 in Oregon?
Unit 44 (Columbia Basin) covers about 2,858 square miles, ranging from roughly 160 to 2,600 feet in elevation. Area is computed from the unit boundary polygon.
How much public land is in Unit 44?
Approximately 5% of the unit is public land. Primary managers: Private dryland-wheat and irrigated farms and ranches (vast majority), BLM (scattered small parcels; ~6,000 acres around Horn Butte), U.S. Navy / State - Boardman range and Columbia Basin grasslands (restricted), ODFW Access & Habitat regulated hunt areas (some private-land programs). Always verify ownership boundaries on the ground.
What species does the catalog list for Unit 44?
Mule Deer, Pronghorn, Rocky Mountain Elk, Bighorn Sheep, Black Bear, Cougar. For seasons, tags, and regulations, use the official Oregon agency resources linked on this page — this page carries no regulatory information.

Put Unit 44 on your map.

Boundary lines, public/private ownership, topo, and offline maps for this unit — in Baseline Maps, free for 14 days.