GMU 290 - Desert, Washington

Extremely flat Columbia Basin shrub-steppe at 1,050–1,250 ft elevation. The unit is the lowest portion of the Quincy Basin — a glacial outwash plain historically pure desert, now transformed by the Columbia Basin Irrigation Project. Topography consists of subtle rolling sand dunes, irrigated center-pivot fields (~50% agricultural), wetland potholes, seeps, wasteway canals, and cattail marshes. Lower Crab Creek drains the unit. Closed game reserves exist at Winchester Wasteway, Frenchmen Hills Wasteway, and North Potholes.

Primary public access via the Desert Wildlife Area Unit (62,601 acres, WDFW-managed on BOR land). Road access: Road M SW, Frenchman Hills Road, and Dodson Road. 18 named water-access sites including Potholes Reservoir, Lind Coulee, Glen Williams, and Crab Creek areas. Discover Pass required on WDFW land. Private agricultural land (~50% of unit) requires landowner permission; Dodson Road corridor noted by hunters as worth pursuing knock-and-ask access. No National Forest or BLM land present — public acreage is primarily Columbia Basin Wildlife Area.

Dominant cover: irrigated center-pivot cropland (corn, potatoes, wheat, hay), native shrub-steppe (sagebrush, rabbitbrush), cattail marsh and bulrush wetlands, sand dune shrubland. Columbia Basin Irrigation Project canals and wasteways create linear travel corridors. Closed areas (game reserves) protect key wetland refugia. Rich waterfowl and upland bird habitat throughout.

Mule deer concentrate around irrigation seeps, wetland edges, and standing crops during October–December. Rut runs late October through late December. Deer use dense cattail and shrub cover for daytime bedding — more like whitetail behavior than open-country mule deer. Mature bucks sought at dawn and dusk along field and wetland edges. No significant elk population documented in this unit; elk listed as present in surrounding Region 2 units but not GMU 290's irrigated basin.

GMU 290 is permit-only for deer — no general season tag valid. Elk season not documented as open in this unit; the unit is outside the typical Cascades elk range. Black bear season overlaps archery deer periods per statewide eastern WA rules. Waterfowl hunting has separate regulated-access restrictions within the wildlife area. Fire restrictions on WDFW land from June 15 onward. Unit size: ~291 square miles. The unit shares the Desert Wildlife Area with adjacent GMU 278 (Wahluke). Hunt pressure is extremely low given permit caps of 2–25 tags per season. Mule deer in 300-series GMUs require 3-point minimum antler restriction (eye guards count if ≥1 inch). One anecdotal draw account: 22 years to draw the top rifle hunt. Apply window: April 20 – May 20 annually.