Minnesota · by county
Mahnomen County fishing lakes
Walleye is Mahnomen County's strongest fishery. Tulaby Lake grades A for walleye and is the deepest of the county's 13 surveyed lakes at 43 feet. Island Lake grades A for yellow perch. South Twin Lake is the largest at 1,127 acres. The DNR stocks 9 lakes here.
A Guide lake has a full page with a depth map, DNR survey data, top spots and stocking history. A Survey lake has the survey data and stocking history but no depth map, because the DNR has not published one. The rest open in the live map.
Recent fishing reports in Mahnomen County →
Best by species: Walleye · Northern pike · Largemouth bass · Crappie · Bluegill · Yellow perch
| Lake | Fish | Acres | Max depth | Last survey |
|---|---|---|---|---|
| South Twin Lake Guide | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch, Rock bass | 1,127 | 29 ft | 2024 |
| North Twin Lake Guide | Walleye, Largemouth, Smallmouth, Pike, Bluegill, Crappie, Perch, Rock bass | 966 | 16 ft | 2024 |
| Tulaby Lake Guide | Walleye, Largemouth, Smallmouth, Pike, Bluegill, Crappie, Perch, Rock bass | 832 | 43 ft | 2025 |
| Bass Lake Guide | Walleye, Largemouth, Smallmouth, Pike, Bluegill, Crappie, Perch | 735 | 26 ft | 2022 |
| Roy Lake Guide | Walleye, Largemouth, Smallmouth, Pike, Bluegill, Crappie, Perch, Rock bass | 695 | 16 ft | 2023 |
| Snider Lake Guide | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch, Rock bass | 634 | 29 ft | 2023 |
| Island Lake Guide | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch, Rock bass | 616 | 43 ft | 2025 |
| McCraney Lake Guide | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch, Rock bass | 270 | 43 ft | 2003 |
| Church Lake Survey | Largemouth, Pike, Bluegill, Perch | 174 | 19 ft | 2010 |
| Little Vanose Lake Survey | Walleye, Largemouth, Pike, Bluegill, Crappie | 143 | 28 ft | 2017 |
| Sargent Lake Survey | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch | 138 | 15 ft | 2025 |
| Little Elbow Lake map only | Walleye, Largemouth, Pike, Bluegill, Crappie, Perch | 168 | 18 ft | 1987 |
| Lone Lake map only | Pike, Bluegill, Perch, Rock bass | 112 | 22 ft | 1987 |
Quick answers
Fishing in Mahnomen County
What is the best fishing lake in Mahnomen County?
Tulaby Lake grades A for walleye, the highest grade in Mahnomen County on this site. Grades are based on DNR survey catch rates, fish size and trophy history.
How many fishing lakes are in Mahnomen County?
The DNR has surveyed 13 lakes in Mahnomen County, about 6,610 acres of water in all. 8 of them have a full guide page here.
What fish can you catch in Mahnomen County?
DNR surveys have found walleye, largemouth bass, smallmouth bass, northern pike, bluegill, crappie, yellow perch and rock bass in Mahnomen County lakes.
Which lake in Mahnomen County is deepest?
Tulaby Lake, at 43 feet. The largest is South Twin Lake at 1,127 acres.
Are lakes in Mahnomen County stocked?
Yes. The DNR has stocking records for 9 of the county's 13 surveyed lakes. If a lake has a page here, it lists what the DNR stocked and when.
Featured guide spot
Your guide service here
Featured spots are bought one lake at a time. Sponsor a lake in this county and your listing runs here too, shared evenly with any other sponsor in the county. Free through December 31, 2026.
Then $20 a month from January. Cancel any time.
Survey years in grey are more than 20 years old. Surveys that old do not count toward grades.