Alsworth is on the southeast shore of Lake Clark at Hardenburg Bay, 22
miles northeast of Nondalton. It lies in the Lake Clark National Park
and Preserve, in the Lake and Peninsula Borough. It lies at
approximately 60░ 12' N Latitude, 154░ 19' W Longitude (Sec. 04, T001N,
R029W, Seward Meridian). The community is located in the Iliamna
Recording District. The area encompasses 21 sq. miles of land and 7 sq.
miles of water.
Originally a native village, a post
office was established in 1950.