GMU 149 Prescott
District 3's biggest unit and its top total deer harvest — a vast, tilled wheat basin where deer stack in the breaks and CRP, and elk are managed down to near zero.
WDFW Region 1 (District 3) — Walla Walla wheat country & Snake River, Walla Walla/Columbia counties · Last reviewed 2026-07-12
Area
1,425
sq mi
Public land
4%
approx.
Elevation
380–2,400
feet
Motorized
moderate
access
Overview
GMU 149 (Prescott) is the largest unit in WDFW District 3 at roughly 1,425 square miles, spanning the Walla Walla and Touchet River wheat country and reaching to the breaks of the Snake River on its north edge. It produces the highest total general-season deer harvest in the district — WDFW's road-survey and effort data rank it among the best for mule deer — but it is predominantly tilled cropland, so deer concentrate in fields, rangeland, CRP and the river breaks rather than spreading evenly. Reported ~96% private, WDFW rates public-land access as 'Poor,' though a substantial amount of private ground is enrolled in the state's access programs. Elk are managed to minimize numbers because of agricultural conflict; a mobile group works the SW corner (crossing to/from Oregon) and another along the Snake River breaks.
Terrain
From the low Snake/Columbia-influenced valleys near the north and west (~380–500 ft) the land rolls up across a broad dryland-farm basin to plateau hills around 2,000–2,400 ft toward the Blue Mountains foothills in the southeast. Mostly smooth, open cultivated terrain incised by the Touchet and Walla Walla river drainages and, on the north edge, the steep Snake River breaks.
Cover: Extensive dryland winter wheat, barley and legumes with CRP grasslands, weedy draws, fencerows and riparian corridors along the Touchet and Walla Walla rivers. The Snake River breaks carry bunchgrass, sagebrush and scattered brush; former poplar tree-farm ground in the area has largely converted to row crops.
Landmarks: Touchet River · Walla Walla River · Snake River breaks (north) · Tucannon River / Tucannon wind area · Prescott / Waitsburg wheat basin
Access
WDFW rating: Poor — the unit is overwhelmingly private (~96%). The reliable public land is USACE shoreline along the Snake River, often only a couple hundred yards above the waterline but including a few larger habitat management units (HMUs) worth hunting. Critically, 149 has by far the most enrolled private access in District 3: roughly 17,300 acres of Hunt by Written Permission (12 cooperators), ~28,900 acres of Feel Free to Hunt (10 cooperators) and ~6,600 acres of Hunt by Reservation (1 cooperator) as of 2025 — the largest access footprint in the district. The Tucannon River wind area (PGE) offers limited hunting under a shared registration program (register once with any of the co-administered utilities — PacifiCorp Marengo, PSE Hopkins Ridge, PGE Tucannon). Because the huntable habitat is a fraction of the tilled acreage, expect higher hunter density than the unit's size implies.
Managers: Private agricultural landowners (dryland wheat/legume farms), U.S. Army Corps of Engineers (Snake River shoreline & HMUs), WDFW Private Lands Access Program cooperators, Portland General Electric (Tucannon River wind area), WDNR
Access points: USACE Snake River shoreline & HMUs (north edge) · WDFW-enrolled FFTH/HBWP/HBR parcels (largest in District 3 — check current listings) · Tucannon River wind area (register to hunt) · Touchet/Waitsburg and Prescott farm-road corridors
Species notes
Mule Deer
common opportunityGMU 149 posts the highest total mule deer harvest in District 3 (five-year modern-firearm average around 440+ deer) and ranks among the top units for hunter success. Because the unit is mostly tilled cropland, deer stack in fields, rangeland, CRP and the Snake River breaks — densities in those pockets are far higher than the unit-wide harvest-per-square-mile suggests, which also means more hunters where the deer are.
- →Hunt the productive pockets — CRP, rangeland margins and the Snake River breaks — not the open plowed ground
- →Glass the breaks and draws at dawn and dusk for bedded bucks
- →Spot-and-stalk open hillsides; the terrain favors modern firearm and muzzleloader over archery
- →Time the late-October rut for daylight buck movement
Whitetail Deer
common opportunityWhite-tailed deer occupy the riparian corridors of the Touchet and Walla Walla rivers, brushy draws and farm bottoms, overlapping with mule deer across the unit. Identify the species before shooting — regulations can differ between the two.
- →Focus on the Touchet and Walla Walla river bottoms and brushy draws for whitetail cover
- →Sit crop and CRP field edges at first and last light
- →Still-hunt riparian stringers midday
- →Verify species carefully in mixed country
Rocky Mountain Elk
limited opportunityThis large GMU is managed to minimize elk numbers because of crop-damage conflict — general branched-bull opportunity is limited and it is not primarily a quality-bull unit. A notable group has historically used the southwest corner, crossing back and forth between Oregon and Washington, though conversion of the former Boise Cascade poplar tree farm to row crops has shifted elk patterns. Another group ranges the Snake River breaks in the north. Both are highly mobile and hard to hunt without extensive private access.
- →Target the SW corner near the Oregon line and the northern Snake River breaks where groups concentrate
- →Secure access to multiple private tracts with a damage history — access is decisive
- →Stay mobile; elk shift with cropping patterns and cross the state line
- →Scout current feed since the old poplar-farm conversion changed elk use
Cougar
limited opportunityCougars are present at low-to-moderate density, following the strong deer population through the breaks and riparian draws. District 3 biologists identify cougar predation as a factor in Blue Mountains elk-calf survival, so cats are well established on the landscape.
- →Cut fresh tracks in snow along the Snake River breaks and river-bottom timber
- →Hunt deer-concentration areas where cougars key on prey
- →Pursue opportunistically alongside a deer hunt
Pro tips
- →149 has the largest enrolled private-access footprint in District 3 (~50,000+ acres across FFTH/HBWP/HBR) — mine the WDFW private-lands listings before chasing cold-call permission.
- →Ignore the plowed ground; hunt the habitat islands — CRP, rangeland edges and the Snake River breaks — where deer actually live.
- →Expect company: huntable habitat is a small slice of this big unit, so hunter density is higher than the acreage implies.
- →For the SW-corner elk, note the poplar-farm-to-row-crop conversion has moved animals — scout current feed, don't rely on old spots.
- →Register once for the shared Tucannon/Marengo/Hopkins Ridge wind-area program to add ground.
- →Confirm current WDFW enrollment and Corps rules before the season — cooperators and openings change year to year.
Watch out for
- !~96% private and rated 'Poor' for public access — trespass risk is high off enrolled/Corps ground.
- !Corps Snake River strips are often only a couple hundred yards deep and not all allow hunting.
- !Enrolled acreage and cooperators change annually — verify before relying on a parcel.
- !Wind-area hunting has special safety rules around turbines, workers and equipment — follow the registration terms.
- !Elk are managed to minimize numbers and are highly mobile — not a dependable target without private access.
- !Late-summer/fall wildfire and fire-danger closures are a recurring hazard in southeast WA.
Logistics
Walla Walla is the regional hub for full services; Prescott, Waitsburg and Dayton offer fuel, food and closer staging, and Dayton's General Store is a wind-area access permit pickup point. The unit is huge and laced with good paved and gravel farm roads, but nearly all cross private ground — plan around enrolled parcels, Corps river access and the wind-area registration. Cell coverage is good on the plateau, weaker in the breaks.
Nearest towns: Prescott, Waitsburg, Dayton, Walla Walla, Starbuck, Dixie, Burbank
Seasons & regulations
This page carries no season dates or regulations. Get current rules from the official Washington sources:
Research sources: WDFW District 3 Hunting Prospects (2025) · WDFW Game Management Units · WDFW Blue Mountains Elk Herd Management Plan
FAQ
- How big is GMU 149 in Washington?
- GMU 149 (Prescott) covers about 1,425 square miles, ranging from roughly 380 to 2,400 feet in elevation. Area is computed from the unit boundary polygon.
- How much public land is in GMU 149?
- Approximately 4% of the unit is public land. Primary managers: Private agricultural landowners (dryland wheat/legume farms), U.S. Army Corps of Engineers (Snake River shoreline & HMUs), WDFW Private Lands Access Program cooperators, Portland General Electric (Tucannon River wind area), WDNR. Always verify ownership boundaries on the ground.
- What species does the catalog list for GMU 149?
- Mule Deer, Whitetail Deer, Rocky Mountain Elk, Cougar. For seasons, tags, and regulations, use the official Washington agency resources linked on this page — this page carries no regulatory information.
Put GMU 149 on your map.
Boundary lines, public/private ownership, topo, and offline maps for this unit — in Baseline Maps, free for 14 days.