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Potholes Reservoir, WA

Bureau of Reclamation

Potholes Reservoir

The Potholes Reservoir is part of the Columbia Basin Project and formed by O'Sullivan Dam . Potholes refers to the many glacial depressions in ancient sand dunes here. These potholes and small islands...[more]

Address

Washington Department of Fish & Wildlife
Columbia Basin Wildlife Area
6653 Road K NE
Moses Lake, WA 98837
Phone:509-765-6641

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Directions

Site is located 15 miles south of Moses Lake off State Road 262. To visit south shore of reservoir, use State Highway 17 south from Moses Lake for 10 miles, west of State Hwy 262. For north shore, leave I-90 at Exit 169 (Hiawatha) west of Moses Lake, S to frontage road. East 2.6 miles. Before large towers, take dirt road to right to dike

Activities
  • BOATING BOATING
  • CAMPING CAMPING
  • FISHING FISHING
  • HIKING HIKING
  • HUNTING HUNTING
  • PICNICKING PICNICKING
  • RECREATIONAL VEHICLES RECREATIONAL VEHICLES
  • WILDLIFE VIEWING WILDLIFE VIEWING
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