Montana Lakes With Lake Whitefish

15 counted Montana lakes list Lake Whitefish in Montana Fish, Wildlife & Parks records. The largest is Fort Peck Lake at 233,053 acres.

#	Lake	County	Surface Area	Max Depth
1	Fort Peck Lake	Valley	233,053 acres	-
2	Flathead Lake	Lake	122,132 acres	About 380 ft
3	Noxon Reservoir	Sanders	7,592 acres	-
4	Lake McDonald	Flathead	6,867 acres	-
5	Nelson Reservoir	Phillips	4,115 acres	-
6	Saint Mary Lake	Glacier	3,933 acres	-
7	Whitefish Lake	Flathead	3,315 acres	About 220 ft
8	Fresno Reservoir	Hill	3,185 acres	-
9	Cabinet Gorge Reservoir	Sanders	2,848 acres	-
10	Lower Saint Mary Lake	Glacier	2,177 acres	-
11	Deadmans Basin Reservoir	Wheatland	1,954 acres	-
12	Upper Waterton Lake	Glacier	1,009 acres	-
13	Echo Lake	Flathead	695 acres	About 70 ft
14	Peterson Lake	Flathead	97 acres	-
15	Lion Lake	Flathead	39 acres	About 85 ft

Source: Montana Fish, Wildlife & Parks lake data. Verified October 30, 2026.