Minnesota · ranked from DNR surveys
Best yellow perch lakes in Mahnomen County
12 surveyed yellow perch lakes sit in Mahnomen County; the 9 ranked here cleared this site's grade rubric, which reads DNR survey catch rates, size structure and trophy history the same way the live map does for every lake.
Island Lake leads at grade A, with 49.6 yellow perch per net in gill nets in its 2025 survey and a 12-inch fish the biggest measured. Tulaby Lake is next at A, 83.2 yellow perch per net in gill nets in its 2025 survey, 3% of the yellow perch netted over 9 inches. Church Lake rounds out the top three at A, a 12-inch fish the biggest measured.
| # | 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 this site's rubric over Minnesota DNR survey data (catch per unit effort against DNR benchmarks, size structure, trophy history). See any lake's page for the underlying numbers. Survey years vary by lake; the table shows each lake's latest.