between Umnak and Unalaska Islands., Aleutian Islands.
HistoryAleut name published as "Pr(oliv) Umnakskoy" or "Umnak Strait" by Captain Tebenkov (1852, map 25), Imperial Russian Navy (IRN).
Boulder Bay, Camp Bay, Deer Bay, No Name Cove, North Pustoi Bay, Otter Bight, South Pustoi Bay, Station Bay,
Capes:Antler Point, Cape Idak, Cape Izigan, Cape Tanak, Deer Point, Otter Point, Paso Point, Pustoi Point, Ranchers Point, Serpent Point, Tiderip Point,
Channels:Hills:Islands:Black Rock, Emerald Island, Polivnoi Rock, Pustoi Island, Ship Rock,
Mountains:Mount Idak, Lone Peak, Mount Tum Tum,
Ridges:Rivers:Streams:Antler Creek, Camp Creek, Crater Creek, Idak Creek, Kadi Creek, Kansas Creek, Marsh Creek, Missouri Creek, Reindeer Creek, Spring Creek, Teal Creek, Thirty-three Creek, Unga Creek,
Valleys:Cities: