Lost Lake is located in the town of St. Germain, in Vilas County, Wisconsin, United States.

[1] It is 544 acres (2.20 km2) in size and has a maximum depth of 22 feet (6.7 m).

[2] Visitors have access to the lake from a public boat landing.

Fish include Musky, Panfish, Largemouth Bass, Northern Pike and Walleye.

This Wisconsin-related article is a stub.