Minnesota · ranked from DNR surveys
Best largemouth bass lakes in Todd County
The DNR has surveyed largemouth bass in 43 lakes in Todd County. Of those, 30 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 65 largemouth bass per hour of electrofishing in the 2025 survey, and the biggest was 21 inches. Big Birch Lake is second at A, with 60.4 largemouth bass per hour of electrofishing in the 2025 survey, and 34% of its largemouth bass measured over 15 inches. Fairy Lake is third at A, and its biggest largemouth bass was 20 inches.
| # | Lake | Grade | Acres | Survey catch rate | Over 15" | Biggest Surveyed | Avg wt | Surveyed |
|---|---|---|---|---|---|---|---|---|
| 1 | Sauk Lake | A+ | 2,126 | 65/hr in electrofishing | 57% | 21" | 1.9 lb | 2025 |
| 2 | Big Birch Lake | A | 2,107 | 60.4/hr in electrofishing | 34% | 18" | 1.1 lb | 2025 |
| 3 | Fairy Lake | A | 307 | 105.3/hr in electrofishing | 10% | 20" | 1.4 lb | 2024 |
| 4 | Lake Osakis | A− | 6,389 | 16.5/hr in electrofishing | 42% | 19" | 0.7 lb | 2025 |
| 5 | Long Lake | A− | 399 | 59.2/hr in electrofishing | 43% | 19" | 1.8 lb | 2024 |
| 6 | Little Birch Lake | A− | 839 | 52/hr in electrofishing | 34% | 17" | 1.5 lb | 2025 |
| 7 | Beauty Lake | B+ | 240 | 61/hr in electrofishing | 39% | 18" | 1.2 lb | 2025 |
| 8 | Bass Lake | B+ | 123 | 69.1/hr in electrofishing | 30% | 20" | 1.5 lb | 2025 |
| 9 | Big Lake | B+ | 297 | 59.2/hr in electrofishing | 9% | 18" | 0.8 lb | 2024 |
| 10 | Lady Lake | B+ | 177 | 54.7/hr in electrofishing | 42% | 18" | 1.4 lb | 2024 |
Also ranked in Todd County: Walleye · Northern pike · Smallmouth bass · 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.