Minnesota · ranked from DNR surveys

Best largemouth bass lakes in Washington County

The DNR has surveyed largemouth bass in 34 lakes in Washington County. The 10 ranked below are the ones that earn a grade on this site. Grades come from survey catch rates, fish size and trophy history, scored the same way for every lake on the live map.

Big Marine Lake is first at A−. The DNR caught 103.6 largemouth bass per hour of electrofishing in the 2024 survey, and the biggest was 18 inches. DeMontreville Lake is second at A−, with 100.9 largemouth bass per hour of electrofishing in the 2019 survey, and 35% of its largemouth bass measured over 15 inches. Forest Lake is third at A−, and its biggest largemouth bass was 16 inches.

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−221—17%17"1 lb2024
7Battle Creek LakeC+106—0%12"1 lb2024
8Square LakeC+203—0%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 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.