Columbia Basin
Wildlife Area Location

Chad Eidson
6653 Road K NE
Moses Lake, WA 98837
(509) 765-6641

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Columbia Basin Wildlife Area
Winchester Reservoir Unit
The Winchester Reservoir unit is 930 acres of land and 1,020 acres of water just north of Interstate 90 east of the town of George. The lake is actually a wide spot in the Winchester Wasteway, with an average depth of about six feet. The surrounding landscape is relatively flat with the lake in a natural low area. Most of the lake is surrounded by cattail and bulrush marsh. The uplands are a mix of tall wheatgrass or intermediate wheatgrass with big sage/bluebunch wheatgrass in some areas. Waterfowl and shorebirds dominate. County roads provide public access to the parking areas and gravel boat launches on the south and upper east sides of the lake. About 20 acres are leased for farming.
Viewing Opportunities


  • Birds of Prey
  • Eagles
  • Shorebirds
  • Songbirds
  • Upland Birds
  • Wading Birds
  • Waterfowl
  • Mammals

  • Deer
  • Small Mammals
  • Other

  • Butterflies
  • Reptiles/Amphibians
  • How to Get Here
    Access Site #1
    Driving Directions
    From Moses Lake, take I-90 west to Dodson Road Exit 164, turn north (right)on Dodson Road then west(left)on the North Frontage Road. Proceed west on North Frontage Road about three miles (about one mile past Road E NW), to the south entrance of the Winche
    Parking/Restroom Information
    There are primitive parking areas at the north and south ends of Winchester Reservoir Unit. WDFW has a gravel parking area with an outhouse and gravel boat ramp at the west end of County Road 3 NW.
    Wildlife Area Habitat Conservation Plans
    Weekender Report
    Wildlife Viewing Guides
    Accessing Washington's Outdoors
    Find a Water Access Site
    GoHunt - Interactive Mapping
    Green Dot Maps
    No activities currently listed for this Unit.

    If you are Hunting or Fishing, remember to check all current regulations.

    Activities may include restrictions or require permits. Please see Public Conduct Rules for more information.