Minnesota · ranked from DNR surveys
Best crappie lakes in Mahnomen County
The DNR has surveyed crappie in 11 lakes in Mahnomen County. The 7 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.
Roy Lake is first at A−. The DNR caught 8.1 crappie per trap net in the 2023 survey, and the biggest was 11 inches. Bass Lake is second at B+, with 1.5 crappie per trap net in the 2022 survey, and 56% of its crappie measured over 10 inches. Snider Lake is third at B, and its biggest crappie was 10 inches.
| # | Lake | Grade | Acres | Survey catch rate | Over 10" | Biggest Surveyed | Avg wt | Surveyed |
|---|---|---|---|---|---|---|---|---|
| 1 | Roy Lake | A− | 695 | 8.1/net in trap nets | 5% | 11" | 0.3 lb | 2023 |
| 2 | Bass Lake | B+ | 735 | 1.5/net in trap nets | 56% | 13" | 0.6 lb | 2022 |
| 3 | Snider Lake | B | 634 | 1.7/net in trap nets | 19% | 10" | 0.3 lb | 2023 |
| 4 | Island Lake | C+ | 616 | 1.4/net in trap nets | 4% | 10" | 0.3 lb | 2025 |
| 5 | North Twin Lake | C | 966 | 0.4/net in trap nets | 33% | 13" | 0.4 lb | 2024 |
| 6 | South Twin Lake | C | 1,127 | 0.5/net in trap nets | 30% | 11" | 0.5 lb | 2024 |
| 7 | Tulaby Lake | C | 832 | 0.5/net in trap nets | 20% | 12" | 0.4 lb | 2025 |
Also ranked in Mahnomen County: Walleye · Northern pike · Largemouth bass · Bluegill · Yellow perch
All of Minnesota: Best crappie 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.