MN · ranked by public data

The 25 Deepest Lakes in Cook County, Minnesota

35 Cook County lakes are at least 50 NHD-mapped acres with a DNR-documented depth, out of 756 documented lakes in the county.

1209 ft
1,197 acres
Cook County, MN
Gabimichigami Lake
limitedDepth map
48.06, -91.021,197 acres | 209 ft max0 public access pointsSpecies pending
209 ft maximum depth · 1,197 acres
2202 ft
1,112 acres
Cook County, MN
Loon Lake
limitedDepth map
48.08, -90.691,112 acres | 202 ft max0 public access pointsSpecies pending
202 ft maximum depth · 1,112 acres
3112 ft
2,025 acres
Cook County, MN
Greenwood Lake
limitedDepth map
48.00, -90.172,025 acres | 112 ft max0 public access pointsSpecies pending
112 ft maximum depth · 2,025 acres
490 ft
198 acres
Cook County, MN
Magnetic Lake
limitedDepth map
48.11, -90.77198 acres | 90 ft max0 public access pointsSpecies pending
90 ft maximum depth · 198 acres
582 ft
382 acres
Cook County, MN
Gaskin Lake
limitedDepth map
48.00, -90.55382 acres | 82 ft max0 public access pointsSpecies pending
82 ft maximum depth · 382 acres
678 ft
4,219 acres
Cook County, MN
Brule Lake
limitedDepth map
47.94, -90.684,219 acres | 78 ft max0 public access pointsSpecies pending
78 ft maximum depth · 4,219 acres
778 ft
492 acres
Cook County, MN
Bearskin Lake
limitedDepth map
48.07, -90.43492 acres | 78 ft max0 public access pointsSpecies pending
78 ft maximum depth · 492 acres
877 ft
258 acres
Cook County, MN
Trout Lake
limitedDepth map
47.87, -90.17258 acres | 77 ft max0 public access pointsSpecies pending
77 ft maximum depth · 258 acres
975 ft
330 acres
Cook County, MN
Flour Lake
limitedDepth map
48.05, -90.39330 acres | 75 ft max0 public access pointsSpecies pending
75 ft maximum depth · 330 acres
1073 ft
743 acres
Cook County, MN
Poplar Lake
limitedDepth map
48.05, -90.51743 acres | 73 ft max0 public access pointsSpecies pending
73 ft maximum depth · 743 acres

Rank	Lake	County	Max depth	Acres
11	Alton Lake	Cook	72 ft	969
12	Alder Lake	Cook	72 ft	510
13	Hungry Jack Lake	Cook	71 ft	464
14	Birch Lake	Cook	69 ft	242
15	East Bearskin Lake	Cook	66 ft	593
16	Devil Track Lake	Cook	50 ft	1,828
17	McFarland Lake	Cook	49 ft	386
18	Pike Lake	Cook	45 ft	811
19	Devilfish Lake	Cook	40 ft	405
20	Tom Lake	Cook	35 ft	409
21	Caribou Lake	Cook	30 ft	718
22	Aspen Lake	Cook	29 ft	141
23	Crescent Lake	Cook	28 ft	745
24	Two Island Lake	Cook	27 ft	750
25	Ball Club Lake	Cook	25 ft	198

Methodology

How this list is built

Ranked by the official maximum depth in Minnesota DNR LakeFinder records; where none is published, the deepest mapped contour from MN DNR survey bathymetry stands in (contours can slightly understate depth, never overstate it).
Only lakes with published Minnesota DNR survey bathymetry on LakeList can rank (about 1,500 lakes). Deep border waters without a published DNR depth record — Saganaga Lake among them — are not listed rather than guessed at.
Lakes under 50 acres — or without a confidently matched USGS NHD polygon for acreage — are excluded from rankings.
Public access inventories are not yet tracked for Minnesota here, so access is never shown or ranked.

FAQ

Cook County lake records

What is the deepest lake in Cook County?

Gabimichigami Lake — Gabimichigami Lake in Cook County has the deepest documented maximum depth of any ranked Cook County lake, at 209 feet in Minnesota DNR records.

Deepest lakes statewide Biggest lakes in Cook County All Cook County lakes

Source data: Minnesota DNR LakeFinder records and MN DNR survey bathymetry, with acreage from USGS National Hydrography Dataset polygons, as aggregated by LakeList.Lake outlines are shoreline shapes from LakeList and the USGS National Hydrography Dataset; they illustrate a lake's form and are not depth or navigation charts.

MN · ranked by public data

The 25 Deepest Lakes in Cook County, Minnesota

35 Cook County lakes are at least 50 NHD-mapped acres with a DNR-documented depth, out of 756 documented lakes in the county.

1209 ft
1,197 acres
Cook County, MN
Gabimichigami Lake
limitedDepth map
48.06, -91.021,197 acres | 209 ft max0 public access pointsSpecies pending
209 ft maximum depth · 1,197 acres
2202 ft
1,112 acres
Cook County, MN
Loon Lake
limitedDepth map
48.08, -90.691,112 acres | 202 ft max0 public access pointsSpecies pending
202 ft maximum depth · 1,112 acres
3112 ft
2,025 acres
Cook County, MN
Greenwood Lake
limitedDepth map
48.00, -90.172,025 acres | 112 ft max0 public access pointsSpecies pending
112 ft maximum depth · 2,025 acres
490 ft
198 acres
Cook County, MN
Magnetic Lake
limitedDepth map
48.11, -90.77198 acres | 90 ft max0 public access pointsSpecies pending
90 ft maximum depth · 198 acres
582 ft
382 acres
Cook County, MN
Gaskin Lake
limitedDepth map
48.00, -90.55382 acres | 82 ft max0 public access pointsSpecies pending
82 ft maximum depth · 382 acres
678 ft
4,219 acres
Cook County, MN
Brule Lake
limitedDepth map
47.94, -90.684,219 acres | 78 ft max0 public access pointsSpecies pending
78 ft maximum depth · 4,219 acres
778 ft
492 acres
Cook County, MN
Bearskin Lake
limitedDepth map
48.07, -90.43492 acres | 78 ft max0 public access pointsSpecies pending
78 ft maximum depth · 492 acres
877 ft
258 acres
Cook County, MN
Trout Lake
limitedDepth map
47.87, -90.17258 acres | 77 ft max0 public access pointsSpecies pending
77 ft maximum depth · 258 acres
975 ft
330 acres
Cook County, MN
Flour Lake
limitedDepth map
48.05, -90.39330 acres | 75 ft max0 public access pointsSpecies pending
75 ft maximum depth · 330 acres
1073 ft
743 acres
Cook County, MN
Poplar Lake
limitedDepth map
48.05, -90.51743 acres | 73 ft max0 public access pointsSpecies pending
73 ft maximum depth · 743 acres

Rank	Lake	County	Max depth	Acres
11	Alton Lake	Cook	72 ft	969
12	Alder Lake	Cook	72 ft	510
13	Hungry Jack Lake	Cook	71 ft	464
14	Birch Lake	Cook	69 ft	242
15	East Bearskin Lake	Cook	66 ft	593
16	Devil Track Lake	Cook	50 ft	1,828
17	McFarland Lake	Cook	49 ft	386
18	Pike Lake	Cook	45 ft	811
19	Devilfish Lake	Cook	40 ft	405
20	Tom Lake	Cook	35 ft	409
21	Caribou Lake	Cook	30 ft	718
22	Aspen Lake	Cook	29 ft	141
23	Crescent Lake	Cook	28 ft	745
24	Two Island Lake	Cook	27 ft	750
25	Ball Club Lake	Cook	25 ft	198

Methodology

How this list is built

Ranked by the official maximum depth in Minnesota DNR LakeFinder records; where none is published, the deepest mapped contour from MN DNR survey bathymetry stands in (contours can slightly understate depth, never overstate it).
Only lakes with published Minnesota DNR survey bathymetry on LakeList can rank (about 1,500 lakes). Deep border waters without a published DNR depth record — Saganaga Lake among them — are not listed rather than guessed at.
Lakes under 50 acres — or without a confidently matched USGS NHD polygon for acreage — are excluded from rankings.
Public access inventories are not yet tracked for Minnesota here, so access is never shown or ranked.

FAQ

Cook County lake records

What is the deepest lake in Cook County?

Gabimichigami Lake — Gabimichigami Lake in Cook County has the deepest documented maximum depth of any ranked Cook County lake, at 209 feet in Minnesota DNR records.

Deepest lakes statewide Biggest lakes in Cook County All Cook County lakes

The 25 Deepest Lakes in Cook County, Minnesota

Gabimichigami Lake

Loon Lake

Greenwood Lake

Magnetic Lake

Gaskin Lake

Brule Lake

Bearskin Lake

Trout Lake

Flour Lake

Poplar Lake

How this list is built

Cook County lake records

What is the deepest lake in Cook County?

The 25 Deepest Lakes in Cook County, Minnesota

Gabimichigami Lake

Loon Lake

Greenwood Lake

Magnetic Lake

Gaskin Lake

Brule Lake

Bearskin Lake

Trout Lake

Flour Lake

Poplar Lake

How this list is built

Cook County lake records

What is the deepest lake in Cook County?