Flows into Zimovia Strait, 3.2 km (2 mi) NNE of Nemo Point, 3.2 km (2 mi) S of Pat Creek.
Named for Leo McCormack (died 1970s), a longtime resident of Wrangell Island.
Anita Bay, Burnett Inlet, Circle Bay, Earl West Cove, King George Bay, Madan Bay, Menefee Inlet, Olive Cove, Shoemaker Bay, Thoms Place, Whaletail Cove,
Capes:Point Madan, Point Shekesti, Point Ancon, Point Highfield, Anita Point, Babbler Point, Cemetery Point, East Point, Gerard Point, Nemo Point, Polk Point, Reef Point, Turn Point, Wedge Point, Whaletail Point, Woronkofski Point,
Channels:Chichagof Pass, Eastern Passage, Zimovia Strait,
Cities:Dams:Wrangell Lower Dam, Wrangell Upper Dam,
Hills:Islands:The Eye Opener, Button Island, Channel Island, Deadmans Island, Drag Island, Etolin Island, Etolin Island, Fivemile Island, Greys Island, Hat Island, Liesnoi Island, Trap Rock, Turn Island, Village Islands, Woronkofski Island, Wrangell Island, Young Rock, Zimovia Islets,
Lakes:Burnett Lake, Kunk Lake, Olive Lake, Pats Lake, Sunrise Lake, Thoms Lake, Virginia Lake,
Mountains:Alice Peak, Ancon Peak, Bessie Peak, Chichagof Peak, East Mountain, Elephants Nose, Helen Peak, Red Mountain, Sunrise Peak, Sunset Peak, Virginia Peak, Mount Woronkofski,
Streams:Crittenden Creek, Earl West Creek, Glacier Creek, Institute Creek, Kunk Creek, McCormack Creek, Mill Creek, Olive Creek, Pat Creek, Porterfield Creek, Salamander Creek, Thoms Creek,
Routes:Cities:Waterfalls: