Anna Lake is a 538 acre mesotrophic (moderately fertile) lake located in south central Otter Tail County approximately 4 miles north of Underwood, MN. The maximum depth is 55 feet, but 69% of the lake is less than 15 feet in depth. Largemouth bass and walleye are the primary game fish in this lake. Northern pike are present in the lake also. Panfish include bluegill, crappie and perch.
MN DNR Lake Information Report
