Minnesota · ranked from DNR surveys
Best muskellunge lakes in Cass County
13 surveyed muskellunge lakes sit in Cass County; the 8 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.
Leech Lake leads at grade A, a 50-inch fish the biggest measured. Little Wolf Lake is next at B+, 0% of the muskellunge netted over 40 inches. Little Boy Lake rounds out the top three at B, a 24-inch fish the biggest measured.
| # | Lake | Grade | Acres | Survey catch rate | Over 40" | Biggest Surveyed | Avg wt | Surveyed |
|---|---|---|---|---|---|---|---|---|
| 1 | Leech Lake | A | 103,444 | — | 78% | 50" | 21.6 lb | 2025 |
| 2 | Little Wolf Lake | B+ | 525 | — | 0% | 39" | 7.2 lb | 2024 |
| 3 | Little Boy Lake | B | 1,452 | — | 0% | 24" | 2.2 lb | 2024 |
| 4 | Roosevelt Lake | B− | 1,511 | — | 55% | 50" | 17.5 lb | 2024 |
| 5 | Pike Bay Lake | B− | 4,756 | — | 0% | 24" | 2.9 lb | 2025 |
| 6 | Winnibigoshish Lake | B− | 56,471 | — | 100% | 45" | 24 lb | 2025 |
| 7 | Leavitt Lake | B− | 122 | — | 100% | 42" | — | 2023 |
| 8 | Boy Lake | C | 3,308 | — | 0% | 21" | 1.8 lb | 2025 |
Also ranked in Cass County: Walleye · Northern pike · Largemouth bass · Smallmouth bass · Crappie · Bluegill · Yellow perch
All of Minnesota: Best muskellunge 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.