Minnesota · ranked from DNR surveys
Best crappie lakes in Lyon County
9 surveyed crappie lakes sit in Lyon County; the 4 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.
School Grove Lake leads at grade B+, with 3.7 crappie per net in trap nets in its 2025 survey and a 12-inch fish the biggest measured. Goose Lake is next at B+, 5 crappie per net in trap nets in its 2023 survey, 66% of the crappie netted over 10 inches. Rock Lake rounds out the top three at B+, a 12-inch fish the biggest measured.
| # | Lake | Grade | Acres | Survey catch rate | Over 10" | Biggest Surveyed | Avg wt | Surveyed |
|---|---|---|---|---|---|---|---|---|
| 1 | School Grove Lake | B+ | 349 | 3.7/net in trap nets | 67% | 12" | 0.8 lb | 2025 |
| 2 | Goose Lake | B+ | 150 | 5/net in trap nets | 66% | 12" | 0.7 lb | 2023 |
| 3 | Rock Lake | B+ | 379 | 3.2/net in trap nets | 66% | 12" | 0.5 lb | 2025 |
| 4 | McKay Lake | C+ | 167 | — | 0% | 4" | — | 2025 |
Also ranked in Lyon County: Walleye · Northern pike · 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.