Type of Recreation: Day-Use State: Oregon County: Umatilla Administering Office: McNary Lock & Dam Location: Lake Wallula, Columbia River Mile 300, south river bank Acreage: 8 Highway Directions: 10.5 miles east of Umatilla, Oregon and Highway 730. Follow highway signs. Hospital: 17 Miles (Good Shepherd Hospital, 541-567-6483) Grocery Store: 3 Miles Motel: 21 Miles Restaurant: 21 Miles Airport: 27 Miles Auto Mechanic: 22 Miles