Lakes / Montana / Fish Species / Largemouth Bass

Montana Lakes With Largemouth Bass

124 counted Montana lakes list Largemouth Bass 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	Canyon Ferry Lake	Broadwater	32,773 acres	About 170 ft
4	Lake Koocanusa	Lincoln	28,723 acres	-
5	Bighorn Lake	Big Horn	12,422.5 acres	About 440 ft
6	Noxon Reservoir	Sanders	7,592 acres	-
7	Little Bitterroot Lake	Flathead	2,970 acres	About 260 ft
8	Cabinet Gorge Reservoir	Sanders	2,848 acres	-
9	Tongue River Reservoir	Big Horn	2,112 acres	-
10	Pablo Reservoir	Lake	1,650 acres	-
11	Lake Mary Ronan	Lake	1,513 acres	About 40 ft
12	Lake Mason	Musselshell	1,220 acres	-
13	Placid Lake	Missoula	1,212 acres	About 93 ft
14	Ninepipe Reservoir	Lake	1,203 acres	-
15	Bull Lake	Lincoln	1,162 acres	About 60 ft
16	Seeley Lake	Missoula	1,031 acres	About 120 ft
17	Thompson Falls Reservoir	Sanders	969 acres	-
18	Echo Lake	Flathead	695 acres	About 70 ft
19	Kicking Horse Reservoir	Lake	657 acres	-
20	Salmon Lake	Missoula	631 acres	About 65 ft
21	Middle Thompson Lake	Lincoln	557 acres	About 160 ft
22	Lake Blaine	Flathead	382 acres	-
23	Frazer Lake	Valley	310 acres	-
24	Glen Lake	Lincoln	301 acres	About 30 ft
25	Upper Thompson Lake	Lincoln	294 acres	About 100 ft
26	Clear Lake	Sheridan	283 acres	-
27	Egan Slough	Flathead	249 acres	-
28	Foy Lake	Flathead	241 acres	About 120 ft
29	Loon Lake	Lincoln	222 acres	About 114 ft
30	Fennon Slough	Flathead	215 acres	-
31	Island Lake	Lincoln	211 acres	About 50 ft
32	Lower Thompson Lake	Lincoln	202 acres	About 140 ft
33	Church Slough	Flathead	195 acres	-
34	Crystal Lake	Lincoln	184 acres	About 140 ft
35	Castle Rock Lake	Rosebud	155 acres	About 40 ft
36	Lake Five	Flathead	152 acres	About 60 ft
37	Long Lake	Sheridan	145 acres	-
38	Beaver Lake	Flathead	144 acres	About 100 ft
39	Blanchard Lake	Flathead	143 acres	About 30 ft
40	Murphy Lake	Lincoln	141 acres	About 25 ft
41	Ester Lake	Phillips	139 acres	-
42	South Sandstone Reservoir	Fallon	114 acres	About 20 ft
43	Peterson Lake	Flathead	97 acres	-
44	Tetrault Lake	Lincoln	96 acres	About 50 ft
45	Upsata Lake	Powell	91 acres	About 40 ft
46	Lake Baker	Fallon	90 acres	-
47	Bailey Reservoir	Hill	85 acres	About 30 ft
48	Phillippi Reservoir	Carter	79 acres	-
49	Savage Lake	Lincoln	71 acres	About 65 ft
50	Lake Elmo	Yellowstone	62 acres	About 16 ft
51	Spoon Lake	Flathead	60 acres	-
52	Halfmoon Lake	Flathead	55 acres	-
53	Alvord Lake	Lincoln	53 acres	-
54	Fort Peck Trout Pond	Valley	53 acres	-
55	Loon Lake	Lake	45 acres	About 52 ft
56	Krieder Reservoir	Garfield	45 acres	-
57	Gartside Reservoir	Richland	44 acres	About 18 ft
58	Abbot Lake	Flathead	41 acres	About 26 ft
59	Lynch Lake	Flathead	41 acres	-
60	Moran Lake	Lincoln	41 acres	About 30 ft
61	McWenneger Slough	Flathead	40 acres	-
62	Boyle Lake	Flathead	39 acres	-
63	Lion Lake	Flathead	39 acres	About 85 ft
64	Skyles Lake	Flathead	38 acres	About 15 ft
65	Anita Reservoir	Yellowstone	37 acres	-
66	Killenbeck Reservoir	Daniels	34 acres	-
67	McGilvray Lake	Flathead	33 acres	-
68	Panton Coulee Reservoir	Chouteau	32 acres	-
69	Stoner Lake	Missoula	31 acres	-
70	Spencer Lake	Flathead	30 acres	About 15 ft
71	Arapooish Pond	Big Horn	29 acres	-
72	Latka Reservoir	Richland	28 acres	-
73	Carters Pond	Fergus	27 acres	-
74	Milnor Lake	Lincoln	25 acres	-
75	Spotted Eagle Lake	Custer	25 acres	About 10 ft
76	Harmon Reservoir	Roosevelt	24 acres	-
77	Grasshopper Reservoir	Blaine	23 acres	-
78	Broadview Pond	Yellowstone	21 acres	-
79	Forsman Reservoir	Valley	20 acres	-
80	Crandall Reservoir	Roosevelt	19 acres	-
81	Silvertip Reservoir	Prairie	19 acres	-
82	Faber Reservoir	Blaine	17 acres	-
83	Homestead Reservoir	Prairie	17 acres	-
84	Lake West	Flathead	17 acres	-
85	Gullwing Reservoir	Phillips	17 acres	-
86	Bailey Lake	Flathead	16 acres	About 28 ft
87	Schoolhouse Lake	Lincoln	15 acres	-
88	Dickey Lake	Flathead	14 acres	About 16 ft
89	Halfway Reservoir	Big Horn	14 acres	-
90	Conleys Lake	Powell	14 acres	-
91	Flagstaff Reservoir	Meagher	13 acres	-
92	Witcher Reservoir	Custer	13 acres	-
93	Eightmile Springs	Chouteau	12 acres	-
94	Rednose Reservoir	Big Horn	12 acres	-
95	Spill Lake	Flathead	11 acres	-
96	Bass Pond	Sanders	10 acres	-
97	Little Loon Lake	Lincoln	9 acres	About 35 ft
98	Hollecker Lake	Dawson	9 acres	-
99	Paul Reservoir	Valley	9 acres	-
100	Rattlebone Lake	Lincoln	8 acres	About 30 ft

Showing the 100 largest of 124 counted lakes with Largemouth Bass.

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