Minnesota · ranked from DNR surveys

Best smallmouth bass lakes in St. Louis County

122 surveyed smallmouth bass lakes sit in St. Louis County; 76 cleared this site's grade rubric, which reads DNR survey catch rates, size structure and trophy history the same way the live map does for every lake. The top 10 are ranked here.

Rainy Lake leads at grade A, with 33.3 smallmouth bass per hour of electrofishing in its 2025 survey and a 19-inch fish the biggest measured. Black Duck Lake is next at A, 233.4 smallmouth bass per hour of electrofishing in its 2023 survey, 5% of the smallmouth bass netted over 15 inches. Vermilion Lake rounds out the top three at A, a 18-inch fish the biggest measured.

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 this site's rubric over Minnesota DNR survey data (catch per unit effort against DNR benchmarks, size structure, trophy history). See any lake's page for the underlying numbers. Survey years vary by lake; the table shows each lake's latest.