Alexander Lake is a lake in South Central Alaska, located at head of Alexander Creek (Susitna River), 46 miles (74 km) North of Tyonek, Alaska on Cook Inlet Low.

[1] Alexander Creek (Susitna River) in turn drains into Cook Inlet on the Pacific Ocean.

[1] According to the Alaska Department of Fish and Game, Alexander Lake is known by Alaskan Natives for its Tree Squirrel population, calling it "Deldida Bena", (Tree Squirrel Lake).

[1] Probably derived from Alexander Creek (Susitna River) which drains the lake.

This article about a location in the Matanuska-Susitna Borough, Alaska is a stub.