Lakes / Montana / Fish Species / Largescale Sucker

Montana Lakes With Largescale Sucker

42 counted Montana lakes list Largescale Sucker 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	Hungry Horse Reservoir	Flathead	23,577 acres	-
4	Noxon Reservoir	Sanders	7,592 acres	-
5	Lake McDonald	Flathead	6,867 acres	-
6	Whitefish Lake	Flathead	3,315 acres	About 220 ft
7	Swan Lake	Lake	3,269 acres	About 120 ft
8	Cabinet Gorge Reservoir	Sanders	2,848 acres	-
9	Georgetown Lake	Granite	2,818 acres	About 25 ft
10	McGregor Lake	Flathead	1,522 acres	About 220 ft
11	Placid Lake	Missoula	1,212 acres	About 93 ft
12	Tally Lake	Flathead	1,211 acres	About 450 ft
13	Bull Lake	Lincoln	1,162 acres	About 60 ft
14	Seeley Lake	Missoula	1,031 acres	About 120 ft
15	Thompson Falls Reservoir	Sanders	969 acres	-
16	Lake Como	Ravalli	911 acres	-
17	Quartz Lake	Flathead	869 acres	-
18	Lindbergh Lake	Missoula	815 acres	About 120 ft
19	Salmon Lake	Missoula	631 acres	About 65 ft
20	Upper Stillwater Lake	Flathead	592 acres	-
21	Dickey Lake	Lincoln	585 acres	About 70 ft
22	Middle Thompson Lake	Lincoln	557 acres	About 160 ft
23	Smith Lake	Flathead	453 acres	-
24	Holland Lake	Missoula	414 acres	About 140 ft
25	Lake Blaine	Flathead	382 acres	-
26	Nevada Lake	Powell	337 acres	About 65 ft
27	Glen Lake	Lincoln	301 acres	About 30 ft
28	Lake Alva	Missoula	298 acres	About 90 ft
29	Upper Thompson Lake	Lincoln	294 acres	About 100 ft
30	Lake Inez	Missoula	288 acres	About 72 ft
31	Lower Stillwater Lake	Flathead	250 acres	About 50 ft
32	Loon Lake	Lincoln	222 acres	About 114 ft
33	Sophie Lake	Lincoln	221 acres	About 50 ft
34	Lower Thompson Lake	Lincoln	202 acres	About 140 ft
35	Crystal Lake	Lincoln	184 acres	About 140 ft
36	Dry Fork Reservoir	Sanders	154 acres	-
37	Horseshoe Lake	Lincoln	138 acres	About 130 ft
38	Rainy Lake	Missoula	82 acres	About 29 ft
39	Elbow Lake	Missoula	71 acres	-
40	Blanchard Lake	Missoula	57 acres	-
41	Martin Lake	Lincoln	35 acres	About 10 ft
42	Little Loon Lake	Lincoln	9 acres	About 35 ft

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