Minnesota · ranked from DNR surveys
Best yellow perch lakes in Mahnomen County
The DNR has surveyed yellow perch in 12 lakes in Mahnomen County. The 9 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.
Island Lake is first at A. The DNR caught 49.6 yellow perch per gill net in the 2025 survey, and the biggest was 12 inches. Tulaby Lake is second at A, with 83.2 yellow perch per gill net in the 2025 survey, and 3% of its yellow perch measured over 9 inches. Church Lake is third at A, and its biggest yellow perch was 12 inches.
| # | Lake | Grade | Acres | Survey catch rate | Over 9" | Biggest Surveyed | Avg wt | Surveyed |
|---|---|---|---|---|---|---|---|---|
| 1 | Island Lake | A | 616 | 49.6/net in gill nets | 15% | 12" | 0.2 lb | 2025 |
| 2 | Tulaby Lake | A | 832 | 83.2/net in gill nets | 3% | 11" | 0.1 lb | 2025 |
| 3 | Church Lake | A | 174 | 52.2/net in gill nets | 44% | 12" | 0.2 lb | 2010 |
| 4 | Sargent Lake | A | 138 | 44/net in gill nets | 23% | 12" | 0.2 lb | 2025 |
| 5 | North Twin Lake | A− | 966 | 17.6/net in gill nets | 2% | 10" | 0.1 lb | 2024 |
| 6 | Roy Lake | B | 695 | 5.2/net in gill nets | 6% | 9" | 0.2 lb | 2023 |
| 7 | Bass Lake | B | 735 | 3.8/net in gill nets | 10% | 9" | 0.1 lb | 2022 |
| 8 | South Twin Lake | B | 1,127 | 2.7/net in gill nets | 4% | 10" | 0.1 lb | 2024 |
| 9 | Snider Lake | C | 634 | 4.3/net in gill nets | 0% | 8" | 0.1 lb | 2023 |
Also ranked in Mahnomen County: Walleye · Northern pike · Largemouth bass · Crappie · Bluegill
All of Minnesota: Best yellow perch 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.