Minnesota · ranked from DNR surveys
Best northern pike lakes in Mahnomen County
The DNR has surveyed northern pike in 13 lakes in Mahnomen County. The 8 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.
North Twin Lake is first at A. The DNR caught 15.7 northern pike per gill net in the 2024 survey, and the biggest was 38 inches. South Twin Lake is second at A, with 34.4 northern pike per gill net in the 2024 survey, and 2% of its northern pike measured over 30 inches. Roy Lake is third at A, and its biggest northern pike was 34 inches.
| # | Lake | Grade | Acres | Survey catch rate | Over 30" | Biggest Surveyed | Avg wt | Surveyed |
|---|---|---|---|---|---|---|---|---|
| 1 | North Twin Lake | A | 966 | 15.7/net in gill nets | 3% | 38" | 1.9 lb | 2024 |
| 2 | South Twin Lake | A | 1,127 | 34.4/net in gill nets | 2% | 34" | 1.2 lb | 2024 |
| 3 | Roy Lake | A | 695 | 16.3/net in gill nets | 6% | 34" | 2.9 lb | 2023 |
| 4 | Island Lake | A− | 616 | 11.4/net in gill nets | 7% | 35" | 2.9 lb | 2025 |
| 5 | Snider Lake | A− | 634 | 26.4/net in gill nets | 1% | 32" | 2.1 lb | 2023 |
| 6 | Bass Lake | B+ | 735 | 10.7/net in gill nets | 1% | 32" | 1.7 lb | 2022 |
| 7 | Tulaby Lake | B+ | 832 | 7.1/net in gill nets | 3% | 32" | 2.9 lb | 2025 |
| 8 | Sargent Lake | C | 138 | 11.8/net in gill nets | 0% | 26" | 1.4 lb | 2025 |
Also ranked in Mahnomen County: Walleye · Largemouth bass · Crappie · Bluegill · Yellow perch
All of Minnesota: Best northern pike 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.