Montana Lakes With Peamouth

26 counted Montana lakes list Peamouth in Montana Fish, Wildlife & Parks records. The largest is Flathead Lake at 122,132 acres.

#	Lake	County	Surface Area	Max Depth
1	Flathead Lake	Lake	122,132 acres	About 380 ft
2	Lake Koocanusa	Lincoln	28,723 acres	-
3	Noxon Reservoir	Sanders	7,592 acres	-
4	Lake McDonald	Flathead	6,867 acres	-
5	Whitefish Lake	Flathead	3,315 acres	About 220 ft
6	Swan Lake	Lake	3,269 acres	About 120 ft
7	Little Bitterroot Lake	Flathead	2,970 acres	About 260 ft
8	Cabinet Gorge Reservoir	Sanders	2,848 acres	-
9	Kintla Lake	Flathead	1,665 acres	-
10	Placid Lake	Missoula	1,212 acres	About 93 ft
11	Bull Lake	Lincoln	1,162 acres	About 60 ft
12	Seeley Lake	Missoula	1,031 acres	About 120 ft
13	Thompson Falls Reservoir	Sanders	969 acres	-
14	Lake Como	Ravalli	911 acres	-
15	Salmon Lake	Missoula	631 acres	About 65 ft
16	Hubbart Reservoir	Flathead	480 acres	About 60 ft
17	Holland Lake	Missoula	414 acres	About 140 ft
18	Lower Stillwater Lake	Flathead	250 acres	About 50 ft
19	Loon Lake	Lincoln	222 acres	About 114 ft
20	Island Lake	Lincoln	211 acres	About 50 ft
21	Church Slough	Flathead	195 acres	-
22	Lynch Lake	Flathead	41 acres	-
23	Skags Lake	Lake	40 acres	-
24	Loon Lake	Lincoln	36 acres	-
25	Finger Lake	Flathead	25 acres	-
26	Little Loon Lake	Lincoln	9 acres	About 35 ft

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