Largest Lakes in Minnesota & Wisconsin

The 50 largest lakes ranked by surface area in acres. Large lakes offer diverse recreation but can vary widely in water quality from one bay to another.

Rank	Lake	County	State	Area	Depth	Grade
1	Rainy Lake	Koochiching	MN	210,200.2 ac	161 ft	D
2	Rainy Lake	St. Louis	MN	210,200.2 ac	161 ft	D
3	Rainy Lake	Koochiching	MN	210,200.2 ac	161 ft	D
4	Rainy Lake	Koochiching	MN	210,200.2 ac	161 ft	D
5	Rainy Lake	Koochiching	MN	210,200.2 ac	161 ft	D
6	Rainy Lake	Koochiching	MN	210,200.2 ac	161 ft	D
7	Rainy Lake	St. Louis	MN	210,200.2 ac	161 ft	C
8	Rainy Lake	St. Louis	MN	210,200.2 ac	161 ft	C
9	Rainy Lake	Koochiching	MN	210,200.2 ac	161 ft	C
10	Mille Lacs Lake	Mille Lacs	MN	128,250.02 ac	42 ft	C
11	Mille Lacs Lake	Aitkin	MN	128,250.02 ac	42 ft	B
12	Ml-Ditch 36 Lake	Aitkin	MN	128,250.02 ac	42 ft	B
13	Ml-Garrison Lake	Aitkin	MN	128,250.02 ac	42 ft	B
14	Ml-Nw Lake	Aitkin	MN	128,250.02 ac	42 ft	B
15	Ml-Ce Lake	Aitkin	MN	128,250.02 ac	42 ft	B
16	Ml-Se Lake	Mille Lacs	MN	128,250.02 ac	42 ft	B
17	Ml-Nshore Lake	Aitkin	MN	128,250.02 ac	42 ft	B
18	Ml-Ne Lake	Aitkin	MN	128,250.02 ac	42 ft	B
19	Ml-Thains Lake	Mille Lacs	MN	128,250.02 ac	42 ft	A
20	Ml-Seventeen Lake	Aitkin	MN	128,250.02 ac	42 ft	A
21	Ml Lake	Mille Lacs	MN	128,250.02 ac	42 ft	A
22	Ml Lake	Mille Lacs	MN	128,250.02 ac	42 ft	A
23	Ml-Vineland Lake	Mille Lacs	MN	128,250.02 ac	42 ft	A
24	Ml-Peterson Lake	Mille Lacs	MN	128,250.02 ac	42 ft	A
25	Ml-Malone Lake	Mille Lacs	MN	128,250.02 ac	42 ft	A
26	Upper Red Lake: West-Central	Beltrami	MN	119,294.35 ac	15 ft	C
27	Upper Red Lake: East	Beltrami	MN	119,294.35 ac	15 ft	C
28	Upper Red Lake: West	Beltrami	MN	119,294.35 ac	15 ft	C
29	Upper Red Lake: East Central	Beltrami	MN	119,294.35 ac	15 ft	C
30	Upper Red Lake: Central	Beltrami	MN	119,294.35 ac	15 ft	C
31	Steamboat Bay Lake	Cass	MN	103,443.8 ac	150 ft	B
32	Kabekona Bay Lake	Cass	MN	103,443.8 ac	150 ft	A
33	Third River Flowage Lake	Itasca	MN	56,471.4 ac	69.8 ft	B
34	Lake Winnibigoshish	Cass	MN	56,471.4 ac	69.8 ft	A
35	Tamarack Bay Lake	Cass	MN	56,471.4 ac	69.8 ft	A
36	East Vermilion Lake	St. Louis	MN	39,272.25 ac	76 ft	D
37	West Vermilion Lake	St. Louis	MN	39,272.25 ac	76 ft	C
38	Lac la Croix Lake	St. Louis	MN	29,596.66 ac	168 ft	C
39	Basswood Lake	Lake	MN	25,952.96 ac	111 ft	C
40	Sucker Lake	Lake	MN	25,952.96 ac	111 ft	B
41	Pepin Lake	Pepin	WI	24,550 ac	60 ft	F
42	Namakan Lake	St. Louis	MN	24,066.28 ac	150 ft	D
43	Namakan Lake	St. Louis	MN	24,066.28 ac	150 ft	C
44	Namakan Lake	St. Louis	MN	24,066.28 ac	150 ft	C
45	Namakan Lake	St. Louis	MN	24,066.28 ac	150 ft	B
46	Kabetogama Lake	St. Louis	MN	24,034 ac	80 ft	F
47	Kabetogama Lake	St. Louis	MN	24,034 ac	80 ft	D
48	Kabetogama Lake	St. Louis	MN	24,034 ac	80 ft	D
49	Kabetogama Lake	St. Louis	MN	24,034 ac	80 ft	D
50	Kabetogama Lake	St. Louis	MN	24,034 ac	80 ft	D

Cleanest Lakes →Worst Water Quality →Clearest Water →Improving →Declining →