Minnesota · ranked from DNR surveys
Best crappie lakes in Mahnomen County
11 surveyed crappie lakes sit in Mahnomen County; the 7 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.
Roy Lake leads at grade A−, with 8.1 crappie per net in trap nets in its 2023 survey and a 11-inch fish the biggest measured. Bass Lake is next at B+, 1.5 crappie per net in trap nets in its 2022 survey, 56% of the crappie netted over 10 inches. Snider Lake rounds out the top three at B, a 10-inch fish the biggest measured.
| # | 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 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.