Minnesota · ranked from DNR surveys

Best largemouth bass lakes in Washington County

34 surveyed largemouth bass lakes sit in Washington County; the 10 ranked here 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.

Big Marine Lake leads at grade A−, with 103.6 largemouth bass per hour of electrofishing in its 2024 survey and a 18-inch fish the biggest measured. DeMontreville Lake is next at A−, 100.9 largemouth bass per hour of electrofishing in its 2019 survey, 35% of the largemouth bass netted over 15 inches. Forest Lake rounds out the top three at A−, a 16-inch fish the biggest measured.

See the live ranking on the map →

#LakeGradeAcresSurvey catch rateOver 15"Biggest SurveyedAvg wtSurveyed
1Big Marine LakeA−1,799103.6/hr in electrofishing3%18"0.8 lb2024
2DeMontreville LakeA−157100.9/hr in electrofishing35%18"2.1 lb2019
3Forest LakeA−2,27162.2/hr in electrofishing5%16"0.9 lb2025
4White Bear LakeA−2,42826/hr in electrofishing17%18"1.3 lb2024
5Jane LakeB+15863.3/hr in electrofishing24%18"1.3 lb2019
6Bone LakeB−22117%17"1 lb2024
7Battle Creek LakeC+1060%12"1 lb2024
8Square LakeC+2030%12"0.6 lb2016
9Clear LakeC42917.1/hr in electrofishing0%14"1.4 lb2024
10Elmo LakeC−2577.4/hr in electrofishing0%2025

Also ranked in Washington County: Walleye · Northern pike · Crappie · Bluegill · Yellow perch

All of Minnesota: Best largemouth 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.