Lakes / Montana / Glacier County

Lakes in Glacier County, Montana

82 lakes counted in Glacier County - the largest is Saint Mary Lake at 3,933 acres.

Lakes Counted

3,933 acres

Largest - Saint Mary Lake

Glacier County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.

All Counted Lakes

#	Lake	County	Surface Area	Max Depth
1	Saint Mary Lake	Glacier	3,933 acres	-
2	Lower Saint Mary Lake	Glacier	2,177 acres	-
3	Duck Lake	Glacier	1,446 acres	-
4	Lake Sherburne	Glacier	1,368 acres	About 60 ft
5	Upper Waterton Lake	Glacier	1,009 acres	-
6	Mission Lake	Glacier	755 acres	-
7	Four Horns Lake	Glacier	719 acres	-
8	Lower Two Medicine Lake	Glacier	718.7 acres	-
9	Buffalo Lake	Glacier	615.1 acres	-
10	Two Medicine Lake	Glacier	424 acres	-
11	Hay Lake	Glacier	396.6 acres	-
12	Sharp Lake	Glacier	264.4 acres	-
13	Glenns Lake	Glacier	262 acres	-
14	Goose Lake	Glacier	242 acres	-
15	Horse Lake	Glacier	236.7 acres	-
16	Croffs Lake	Glacier	235.2 acres	-
17	Cosley Lake	Glacier	222 acres	-
18	Elizabeth Lake	Glacier	194 acres	-
19	Helen Lake	Glacier	168.2 acres	-
20	Lake Wurdeman	Glacier	164.5 acres	-
21	Upper Two Medicine Lake	Glacier	152 acres	-
22	Grassy Lake	Glacier	142.8 acres	-
23	Red Eagle Lake	Glacier	138 acres	-
24	Lake Josephine	Glacier	130 acres	-
25	Dog Gun Lake	Glacier	124.3 acres	-
26	Iceberg Lake	Glacier	114.1 acres	-
27	Gunsight Lake	Glacier	114 acres	About 65 ft
28	Upper Mission Lake	Glacier	102 acres	-
29	Pike Lake	Glacier	101.5 acres	-
30	Swiftcurrent Lake	Glacier	100 acres	-
31	Boundary Lake	Glacier	97.5 acres	-
32	Carcajou Lake	Glacier	88.7 acres	-
33	Lake Nooney	Glacier	88.4 acres	-
34	Carlow Lake	Glacier	88 acres	-
35	Lake Frances	Glacier	87.7 acres	-
36	Sue Lake	Glacier	86.9 acres	-
37	Guardipee Lake	Glacier	82.3 acres	-
38	Grinnell Lake	Glacier	79 acres	-
39	Margaret Lake	Glacier	72 acres	-
40	Goat Lake	Glacier	70.2 acres	-
41	Spider Lake	Glacier	69.4 acres	-
42	Hope Lake	Glacier	69 acres	-
43	Little Buffalo Lake	Glacier	58.8 acres	-
44	Miche Wabun Lake	Glacier	55.4 acres	-
45	Kennedy Lake	Glacier	55 acres	-
46	Lukins Lake	Glacier	54.6 acres	-
47	Magee Lake	Glacier	49.2 acres	-
48	Hidden Lake	Glacier	49 acres	-
49	Pitamakan Lake	Glacier	48.9 acres	-
50	Oldman Lake	Glacier	44 acres	-
51	Nahsukin Lake	Glacier	43.9 acres	-
52	Medicine Grizzly Lake	Glacier	41 acres	-
53	Big Spring Lake	Glacier	40.8 acres	-
54	Ipasha Lake	Glacier	40.6 acres	-
55	Cracker Lake	Glacier	39 acres	-
56	Slide Lake	Glacier	38 acres	-
57	Poia Lake	Glacier	35.2 acres	-
58	Toad Lake	Glacier	34.9 acres	-
59	Young Man Lake	Glacier	34.3 acres	-
60	Lake Janet	Glacier	34 acres	-
61	Bench Lake	Glacier	33.1 acres	-
62	Medicine Owl Lake	Glacier	32.3 acres	-
63	Mokowanis Lake	Glacier	32 acres	-
64	Minnie White Horse Lake	Glacier	31.6 acres	-
65	Bullhead Lake	Glacier	31 acres	-
66	Redhorn Lake	Glacier	30.8 acres	-
67	Kootenai Lakes	Glacier	28 acres	-
68	Allison Lake	Glacier	27.4 acres	-
69	Redrock Lake	Glacier	26 acres	About 21 ft
70	Otokomi Lake	Glacier	22 acres	-
71	Otatso Lake	Glacier	18 acres	-
72	Windmaker Lake	Glacier	16 acres	-
73	Twin Lakes	Glacier	15 acres	-
74	Fishercap Lake	Glacier	13 acres	-
75	Stoney Indian Lake	Glacier	11 acres	-
76	No Name Lake	Glacier	10 acres	-
77	Katoya Lake	Glacier	10 acres	-
78	Morning Star Lake	Glacier	10 acres	-
79	Pray Lake	Glacier	9 acres	-
80	Stump Lake	Glacier	8 acres	-
81	Ptarmigan Lake	Glacier	7 acres	-
82	Lost Lake	Glacier	2 acres	-

Sources: Montana Fish, Wildlife & Parks lake data; USGS. Verified October 30, 2026.