Umatilla National Wildlife Refuge Umatilla National Wildlife RefugeStation reference point Boardman (Special regs)1,608 acres McCormack (Special regs)4,028 acres Paterson (Special regs)4,704 acres Ridge (Special regs)576 acres Whitcomb (Special regs)4,442 acres Closed Areas - OR (Closed)3,179 acres Closed Areas - WA (Closed)2,998 acres Columbia River Islands - OR (Closed)215 acres Columbia River Islands - WA (Closed)2,020 acres