On W shore of Shelikof Strait, includes Big Alinchak Bay on the NW and Little Alinchak Bay on the SW, 9.2 km (5.7 mi) SW of Mount Kubugakli and 58 km (36 mi) NW of Karluk, E coast of Alaska Peninsula, Alaska Range. 5 miles wide.
Native name obtained in 1904 from Nikolai Kalmakov of Katmai; published by G. C. Martin (1921, pl. 9), U.S. Geological Survey (USGS).
Alinchak Bay, Bear Bay, Big Alinchak Bay, Kashvik Bay, Little Alinchak Bay,
Capes:Cape Kekurnoi, Cape Kubugakli,
Mountains:Atmo Mountain, Mount Kubugakli,
Streams:Big Alinchak Creek, Big Kashvik Creek, Gas Creek, Helen Creek, Little Alinchak Creek, Moose Creek, North Creek, West Creek,