Minnesota · ranked from DNR surveys

Best walleye lakes in Todd County

The DNR has surveyed walleye in 40 lakes in Todd County. Of those, 17 earn a grade on this site, and the top 10 are ranked below. Grades come from survey catch rates, fish size and trophy history, scored the same way for every lake on the live map.

Sauk Lake is first at A. The DNR caught 12.5 walleye per gill net in the 2025 survey, and the biggest was 28 inches. Lake Osakis is second at A, with 6.5 walleye per gill net in the 2025 survey, and 12% of its walleye measured over 20 inches. Big Birch Lake is third at A, and its biggest walleye was 29 inches.

See the live ranking on the map →

#LakeGradeAcresSurvey catch rateOver 20"Biggest SurveyedAvg wtSurveyed
1Sauk LakeA2,12612.5/net in gill nets10%28"1.6 lb2025
2Lake OsakisA6,3896.5/net in gill nets12%27"1.4 lb2025
3Big Birch LakeA2,1077/net in gill nets23%29"1.9 lb2025
4Little Sauk LakeB2786.6/net in gill nets47%25"2.8 lb2024
5Little Birch LakeB8393/net in gill nets27%27"2.6 lb2025
6Guernsey LakeB1218/net in gill nets37%24"2.5 lb2024
7Mill LakeB−1715.7/net in gill nets22%25"1.8 lb2025
8Big Swan LakeB−947—74%27"3.6 lb2025
9Cedar LakeC+1393.8/net in gill nets32%25"2.6 lb2022
10Maple LakeC+3881.8/net in gill nets48%27"3.4 lb2025

Also ranked in Todd County: Northern pike · Largemouth bass · Smallmouth bass · Crappie · Bluegill · Yellow perch

All of Minnesota: Best walleye lakes in Minnesota

Grades are based on Minnesota DNR survey data: how many fish the DNR caught (scaled by lake size), how many reached quality size, and the biggest fish measured. Each lake's page has the numbers behind its grade. The table shows each lake's most recent survey year.