MN · ranked by public data
33 Cass County lakes have exact-water DNR survey evidence for northern pike; 33 lakes with status, survey, or report evidence met our criteria, out of 606 documented lakes in the county. Updated July 2026.
Ranked within standard summer august mn class 23 standard gill nets normal 2 2 to 8 7 catch per effort (fish per net set) — ranks restart at 1
Cass County, MN
97.7 within-system score · 1,756.7 lake-scale opportunity index · 4.83 fish/net set · 2014 DNR survey
Cass County, MN
77.7 within-system score · 1,193.1 lake-scale opportunity index · 3.33 fish/net set · 2022 DNR survey
Cass County, MN
74.1 within-system score · 861.4 lake-scale opportunity index · 3.83 fish/net set · 2022 DNR survey
Cass County, MN
30.4 within-system score · 553 lake-scale opportunity index · 0.75 fish/net set · 1990 DNR survey
Cass County, MN
15.7 within-system score · 237.1 lake-scale opportunity index · 1.67 fish/net set · 1980 DNR survey
Cass County, MN
10.0 within-system score · 174.4 lake-scale opportunity index · 0.67 fish/net set · 2024 DNR survey
Ranked within standard summer july mn class 23 standard gill nets normal 2 2 to 8 7 catch per effort (fish per net set) — ranks restart at 1
Cass County, MN
96.0 within-system score · 2,302.2 lake-scale opportunity index · 6.33 fish/net set · 2019 DNR survey
Cass County, MN
90.3 within-system score · 2,329 lake-scale opportunity index · 6.5 fish/net set · 1979 DNR survey
Cass County, MN
89.0 within-system score · 2,345 lake-scale opportunity index · 6.29 fish/net set · 1979 DNR survey
Cass County, MN
79.1 within-system score · 2,521.6 lake-scale opportunity index · 3.42 fish/net set · 2024 DNR survey
| Rank | Lake | County | Acres | System score | Primary score signal | Survey measurement | Metric year | Fishing report | DNR status | Northern Pike stocking |
|---|---|---|---|---|---|---|---|---|---|---|
| 5 | Lawrence Lake | Cass | 225 | 16.9 | index 375.6 | 1.67 fish/net set | 1968 | No · 0% signal | No record | — |
| 6 | Jack Lake | Cass | 142 | 4.6 | index 188.8 | 1.33 fish/net set | 1994 | No · 0% signal | No record | — |
| Ranked within standard summer july mn class 25 standard gill nets normal 3 1 to 8 5 catch per effort (fish per net set) — ranks restart at 1 | ||||||||||
| 1 | Boy Lake | Cass | 3,308 | 100.0 | index 44,555.4 | 13.47 fish/net set | 2025 | No · 0% signal | No record | — |
| 2 | Inguadona Lake | Cass | 1,133 | 80.1 | index 12,836 | 11.33 fish/net set | 2016 | No · 0% signal | No record | — |
| 3 | Blackwater Lake | Cass | 771 | 74.0 | index 7,583.4 | 9.83 fish/net set | 2023 | No · 0% signal | No record | — |
| 4 | Girl Lake | Cass | 428 | 66.3 | index 5,044 | 11.78 fish/net set | 1997 | No · 0% signal | No record | — |
| 5 | Little Thunder Lake | Cass | 258 | 6.1 | index 85.2 | 0.33 fish/net set | 2014 | No · 0% signal | No record | — |
| Ranked within standard summer june mn class 23 standard gill nets normal 2 2 to 8 7 catch per effort (fish per net set) — ranks restart at 1 | ||||||||||
| 1 | Hay Lake | Cass | 364 | 86.3 | index 3,273.3 | 9 fish/net set | 2024 | No · 0% signal | No record | — |
| 2 | Horseshoe Lake | Cass | 260 | 85.1 | index 2,928.6 | 11.25 fish/net set | 1987 | No · 0% signal | No record | — |
| 3 | Grave Lake | Cass | 373 | 51.4 | index 2,318.9 | 6.22 fish/net set | 2014 | No · 0% signal | No record | — |
| 4 | Jack Lake | Cass | 142 | 15.5 | index 946.9 | 6.67 fish/net set | 2018 | No · 0% signal | No record | — |
| 5 | Bass Lake | Cass | 195 | 15.2 | index 1,071.1 | 5.5 fish/net set | 2023 | No · 0% signal | No record | — |
| Ranked within standard summer august mn class 25 standard gill nets normal 3 1 to 8 5 catch per effort (fish per net set) — ranks restart at 1 | ||||||||||
| 1 | Boy Lake | Cass | 3,308 | 98.5 | index 33,739 | 10.2 fish/net set | 2021 | No · 0% signal | No record | — |
| 2 | Inguadona Lake | Cass | 1,133 | 78.7 | index 11,612.4 | 10.25 fish/net set | 2024 | No · 0% signal | No record | — |
| 3 | Girl Lake | Cass | 428 | 49.2 | index 4,234.7 | 9.89 fish/net set | 2007 | No · 0% signal | No record | — |
| 4 | Hand Lake | Cass | 289 | 0.0 | index 2,140.2 | 7.4 fish/net set | 1990 | No · 0% signal | No record | — |
| Ranked within standard summer july mn class 31 standard gill nets normal 3 5 to 10 5 catch per effort (fish per net set) — ranks restart at 1 | ||||||||||
| 1 | Little Webb Lake | Cass | 226 | 94.5 | index 3,994.1 | 17.67 fish/net set | 2006 | No · 0% signal | No record | — |
| 2 | Bowen Lake | Cass | 182 | 84.2 | index 2,672.4 | 14.67 fish/net set | 2019 | No · 0% signal | No record | — |
| 3 | Child Lake | Cass | 285 | 71.9 | index 2,471.3 | 8.67 fish/net set | 2024 | No · 0% signal | No record | — |
| 4 | Little Wolf Lake | Cass | 525 | 0.0 | index 262.3 | 0.5 fish/net set | 1991 | No · 0% signal | No record | — |
| Ranked within standard summer august mn class 31 standard gill nets normal 3 5 to 10 5 catch per effort (fish per net set) — ranks restart at 1 | ||||||||||
| 1 | Child Lake | Cass | 285 | 84.3 | index 1,353.9 | 4.75 fish/net set | 1978 | No · 0% signal | No record | — |
| 2 | Bowen Lake | Cass | 182 | 64.5 | index 1,032.9 | 5.67 fish/net set | 1967 | No · 0% signal | No record | — |
| 3 | Little Wolf Lake | Cass | 525 | 10.0 | index 755.4 | 1.44 fish/net set | 2024 | No · 0% signal | No record | — |
| Ranked within standard summer july mn class 39 standard gill nets normal 4 6 to 11 6 catch per effort (fish per net set) — ranks restart at 1 | ||||||||||
| 1 | Big Portage Lake | Cass | 902 | 86.5 | index 6,208.1 | 6.88 fish/net set | 2023 | No · 0% signal | No record | — |
| 2 | Little Sand Lake | Cass | 413 | 78.2 | index 3,856 | 9.33 fish/net set | 2022 | No · 0% signal | No record | — |
| 3 | Lake George | Cass | 612 | 0.0 | index 1,837.4 | 3 fish/net set | 1990 | No · 0% signal | No record | — |
| Ranked within standard summer june mn class 31 standard gill nets normal 3 5 to 10 5 catch per effort (fish per net set) — ranks restart at 1 | ||||||||||
| 1 | Little Webb Lake | Cass | 226 | 96.0 | index 4,181.7 | 18.5 fish/net set | 2022 | No · 0% signal | No record | — |
| 2 | Bowen Lake | Cass | 182 | 45.8 | index 2,308.1 | 12.67 fish/net set | 2024 | No · 0% signal | No record | — |
| 3 | Little Wolf Lake | Cass | 525 | 0.0 | index 1,867.5 | 3.56 fish/net set | 2019 | No · 0% signal | No record | — |
| Ranked within standard summer june mn class 39 standard gill nets normal 4 6 to 11 6 catch per effort (fish per net set) — ranks restart at 1 | ||||||||||
| 1 | Lake George | Cass | 612 | 76.5 | index 9,493 | 15.5 fish/net set | 2025 | No · 0% signal | No record | — |
| 2 | Big Portage Lake | Cass | 902 | 55.0 | index 13,192.2 | 14.62 fish/net set | 2012 | No · 0% signal | No record | — |
| 3 | Little Sand Lake | Cass | 413 | 7.1 | index 6,108.4 | 14.78 fish/net set | 2013 | No · 0% signal | No record | — |
| Ranked within standard summer august mn class 27 standard gill nets normal 2 8 to 9 catch per effort (fish per net set) — ranks restart at 1 | ||||||||||
| 1 | Lake Ada | Cass | 963 | 55.0 | index 3,660.6 | 3.8 fish/net set | 1975 | No · 0% signal | No record | — |
| 2 | Lake Thirteen | Cass | 555 | 45.0 | index 2,495.3 | 4.5 fish/net set | 2014 | No · 0% signal | No record | — |
| Ranked within standard summer july mn class 22 standard gill nets normal 3 to 7 9 catch per effort (fish per net set) — ranks restart at 1 | ||||||||||
| 1 | Gull Lake | Cass | 10,010 | 65.0 | index 30,029.9 | 3 fish/net set | 2025 | No · 0% signal | No record | — |
| 2 | Little Boy Lake | Cass | 1,452 | 35.0 | index 14,269.9 | 9.83 fish/net set | 2012 | No · 0% signal | No record | — |
| Ranked within standard summer july mn class 27 standard gill nets normal 2 8 to 9 catch per effort (fish per net set) — ranks restart at 1 | ||||||||||
| 1 | Lake Ada | Cass | 963 | 100.0 | index 10,673.5 | 11.08 fish/net set | 2022 | No · 0% signal | No record | — |
| 2 | Lake Thirteen | Cass | 555 | 0.0 | index 5,728.2 | 10.33 fish/net set | 1979 | No · 0% signal | No record | — |
| Ranked within standard summer july mn class 35 standard gill nets normal 3 6 to 11 catch per effort (fish per net set) — ranks restart at 1 | ||||||||||
| 1 | Big Sand Lake | Cass | 731 | 90.0 | index 9,010.3 | 12.33 fish/net set | 2014 | No · 0% signal | No record | — |
| 2 | Crystal Lake | Cass | 190 | 10.0 | index 2,092.2 | 11 fish/net set | 2025 | No · 0% signal | No record | — |
| Ranked within standard summer june mn class 25 standard gill nets normal 3 1 to 8 5 catch per effort (fish per net set) — ranks restart at 1 | ||||||||||
| 1 | Girl Lake | Cass | 428 | 90.0 | index 7,848.5 | 18.33 fish/net set | 2012 | No · 0% signal | No record | — |
| 2 | Hand Lake | Cass | 289 | 10.0 | index 2,842.9 | 9.83 fish/net set | 2019 | No · 0% signal | No record | — |
| Ranked within standard summer june mn class 27 standard gill nets normal 2 8 to 9 catch per effort (fish per net set) — ranks restart at 1 | ||||||||||
| 1 | Lake Thirteen | Cass | 555 | 100.0 | index 11,461.9 | 20.67 fish/net set | 2025 | No · 0% signal | No record | — |
| 2 | Lake Ada | Cass | 963 | 0.0 | index 4,739.5 | 4.92 fish/net set | 1995 | No · 0% signal | No record | — |
| Comparable standard summer august mn class 22 standard gill nets normal 3 to 7 9 catch per effort (fish per net set) — one lake recorded, no peer rank | ||||||||||
| — | Little Boy Lake | Cass | 1,452 | — | — | 7.25 fish/net set | 1990 | No · 0% signal | No record | — |
| Comparable standard summer august mn class 29 standard gill nets normal 4 8 to 12 5 catch per effort (fish per net set) — one lake recorded, no peer rank | ||||||||||
| — | Beuber Lake | Cass | 132 | — | — | 11.67 fish/net set | 1987 | No · 0% signal | No record | — |
| Comparable standard summer august mn class 35 standard gill nets normal 3 6 to 11 catch per effort (fish per net set) — one lake recorded, no peer rank | ||||||||||
| — | Crystal Lake | Cass | 190 | — | — | 0.57 fish/net set | 2010 | No · 0% signal | No record | — |
| Comparable standard summer august mn class 39 standard gill nets normal 4 6 to 11 6 catch per effort (fish per net set) — one lake recorded, no peer rank | ||||||||||
| — | Little Sand Lake | Cass | 413 | — | — | 3.29 fish/net set | 1983 | No · 0% signal | No record | — |
| Comparable standard summer july mn class 32 standard gill nets normal 3 5 to 8 9 catch per effort (fish per net set) — one lake recorded, no peer rank | ||||||||||
| — | Island Lake | Cass | 184 | — | — | 10.83 fish/net set | 2002 | No · 0% signal | No record | — |
| Comparable standard summer june mn class 22 standard gill nets normal 3 to 7 9 catch per effort (fish per net set) — one lake recorded, no peer rank | ||||||||||
| — | Little Boy Lake | Cass | 1,452 | — | — | 6.33 fish/net set | 2024 | No · 0% signal | No record | — |
| Comparable standard summer june mn class 28 standard gill nets normal 2 8 to 8 7 catch per effort (fish per net set) — one lake recorded, no peer rank | ||||||||||
| — | Leavitt Lake | Cass | 122 | — | — | 1.33 fish/net set | 2022 | No · 0% signal | No record | — |
| Comparable standard summer june mn class 29 standard gill nets normal 4 8 to 12 5 catch per effort (fish per net set) — one lake recorded, no peer rank | ||||||||||
| — | Beuber Lake | Cass | 132 | — | — | 18.2 fish/net set | 2022 | No · 0% signal | No record | — |
| Comparable standard summer june mn class 32 standard gill nets normal 3 5 to 8 9 catch per effort (fish per net set) — one lake recorded, no peer rank | ||||||||||
| — | Island Lake | Cass | 184 | — | — | 9 fish/net set | 2007 | No · 0% signal | No record | — |
| Documented species evidence — unranked and alphabetical | ||||||||||
| — | Dade Lake | Cass | 99 | — | — | — | — | No · 0% signal | No record | — |
| — | Lake Winnibigoshish | Cass | 56,471 | — | — | — | — | No · 0% signal | No record | — |
| — | Leech Lake | Cass | 103,444 | — | — | — | — | No · 0% signal | No record | — |
Methodology
County ranks use the same statewide exact-family contract; systems with at least two eligible county peers restart at #1. The score is 55% survey rate × acreage, 35% survey rate, and 10% recency. Catch-per-effort × acreage is only an opportunity index, never a literal fish count. Documented acreage plus verified public or shore access are eligibility gates. Unsupported methods stay documented but unranked. See the complete definitions on the statewide northern pike ranking.
FAQ
27 lakes receive at least one peer-backed, exact-lake numeric rank. Catch-per-effort systems separate species, phase, gear, unit, and sampled population; standardized adult-density estimates form their own system, so systems with at least two eligible county peers can each have a #1 in Cass County.
33 Cass County lakes have exact-water DNR survey evidence. Numeric rank still requires an exact comparable family plus the acreage and access gates.
Source data: Minnesota DNR LakeFinder fisheries surveys, lake classes, morphology, and public-access records. Rankings are LakeList's computed opinion from public agency data, not a DNR endorsement. Conditions and regulations change — verify access and rules before you go.