Minnesota · ranked from DNR surveys
Best walleye lakes in Cass County
The DNR has surveyed walleye in 138 lakes in Cass County. Of those, 54 earn a grade on this site, and the top 10 are ranked below. Grades come from survey catch rates, fish size and trophy history, scored the same way for every lake on the live map.
Leech Lake is first at A+. The DNR caught 8.8 walleye per gill net in the 2025 survey, and the biggest was 31 inches. Gull Lake is second at A, with 5.3 walleye per gill net in the 2025 survey, and 25% of its walleye measured over 20 inches. Ten Mile Lake is third at A, and its biggest walleye was 28 inches.
| # | Lake | Grade | Acres | Survey catch rate | Over 20" | Biggest Surveyed | Avg wt | Surveyed |
|---|---|---|---|---|---|---|---|---|
| 1 | Leech Lake | A+ | 103,444 | 8.8/net in gill nets | 11% | 31" | 1.6 lb | 2025 |
| 2 | Gull Lake | A | 10,010 | 5.3/net in gill nets | 25% | 27" | 1.9 lb | 2025 |
| 3 | Ten Mile Lake | A | 5,080 | 4.8/net in gill nets | 38% | 28" | 2.3 lb | 2024 |
| 4 | Woman Lake | A | 5,520 | 14.1/net in gill nets | 8% | 25" | 1 lb | 2025 |
| 5 | Winnibigoshish Lake | A | 56,471 | 5.7/net in gill nets | 5% | 25" | 1.3 lb | 2025 |
| 6 | Portage Lake | A− | 1,539 | 14/net in gill nets | 18% | 25" | 1.7 lb | 2021 |
| 7 | Pine Mountain Lake | A− | 1,617 | 7.2/net in gill nets | 30% | 27" | 1.9 lb | 2025 |
| 8 | Pike Bay Lake | A− | 4,756 | 3.9/net in gill nets | 28% | 27" | 2.2 lb | 2025 |
| 9 | Boy Lake | A− | 3,308 | 5/net in gill nets | 29% | 26" | 1.9 lb | 2025 |
| 10 | Little Boy Lake | A− | 1,452 | 10.1/net in gill nets | 15% | 25" | 1.6 lb | 2024 |
Also ranked in Cass County: Northern pike · Muskellunge · Largemouth bass · Smallmouth bass · Crappie · Bluegill · Yellow perch
All of Minnesota: Best walleye 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.