Minnesota · ranked from DNR surveys

Best smallmouth bass lakes in St. Louis County

The DNR has surveyed smallmouth bass in 122 lakes in St. Louis County. Of those, 76 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.

Rainy Lake is first at A. The DNR caught 33.3 smallmouth bass per hour of electrofishing in the 2025 survey, and the biggest was 19 inches. Black Duck Lake is second at A, with 233.4 smallmouth bass per hour of electrofishing in the 2023 survey, and 5% of its smallmouth bass measured over 15 inches. Vermilion Lake is third at A, and its biggest smallmouth bass was 18 inches.

See the live ranking on the map →

#LakeGradeAcresSurvey catch rateOver 15"Biggest SurveyedAvg wtSurveyed
1Rainy LakeA210,20033.3/hr in electrofishing4%19"1.2 lb2025
2Black Duck LakeA1,250233.4/hr in electrofishing5%19"1.7 lb2023
3Vermilion LakeA39,27294.2/hr in electrofishing8%18"1 lb2025
4Ash LakeA690189.3/hr in electrofishing6%18"1.3 lb2023
5Crane LakeA2,92126.5/hr in electrofishing16%19"1 lb2025
6Kabetogama LakeA−24,03424.3/hr in electrofishing3%19"1.4 lb2025
7Pelican LakeA−11,54619.5/hr in electrofishing34%17"1.6 lb2022
8Eagles Nest #3 LakeA−1,02835.2/hr in electrofishing47%19"1.7 lb2025
9Low LakeA−31656.7/hr in electrofishing25%19"1.8 lb2024
10Elephant LakeA−72844.2/hr in electrofishing17%18"1.9 lb2025

Also ranked in St. Louis County: Walleye · Northern pike · Largemouth bass · Crappie · Bluegill · Yellow perch

All of Minnesota: Best smallmouth bass 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.