Lakes in Park County, Montana

123 lakes counted in Park County - the largest is Cottonwood Reservoir at 239 acres.

123

Lakes Counted

239 acres

Largest - Cottonwood Reservoir

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

All Counted Lakes

#	Lake	County	Surface Area	Max Depth
1	Cottonwood Reservoir	Park	239 acres	-
2	Upper Aero Lake	Park	228 acres	About 175 ft
3	Dailey Lake	Park	206 acres	About 22 ft
4	Lower Aero Lake	Park	187 acres	About 180 ft
5	Rock Island Lake	Park	156 acres	About 100 ft
6	Fox Lake	Park	119 acres	About 70 ft
7	Kersey Lake	Park	115 acres	-
8	Goose Lake	Park	97 acres	About 130 ft
9	Rough Lake	Park	90 acres	About 110 ft
10	Broadwater Lake	Park	59 acres	About 60 ft
11	Merrell Lake	Park	57 acres	-
12	Rock Lake	Park	48 acres	-
13	La Velle Lake	Park	47.4 acres	-
14	Kaufman Lake	Park	44 acres	About 70 ft
15	Pear Lake	Park	41 acres	-
16	Lady of the Lake	Park	37 acres	About 28 ft
17	Fizzle Lake	Park	36 acres	About 40 ft
18	Imelda Lake	Park	35 acres	About 70 ft
19	Curl Lake	Park	33 acres	-
20	Campfire Lake	Park	33 acres	-
21	Pine Creek Lake	Park	31 acres	-
22	Lake Abundance	Park	29 acres	-
23	Sky Top Lakes	Park	29 acres	About 50 ft
24	Star Lake	Park	28 acres	-
25	Sodalite Lake	Park	27 acres	About 90 ft
26	Courthouse Lake	Park	25 acres	About 200 ft
27	Aldridge Lake	Park	24 acres	-
28	Zimmer Lake	Park	24 acres	About 50 ft
29	Round Lake	Park	24 acres	About 30 ft
30	Aquarius Lake	Park	24 acres	About 60 ft
31	Druckmiller Lake	Park	22 acres	-
32	Sky Top Lakes	Park	21 acres	About 50 ft
33	Vernon Lake	Park	19 acres	About 30 ft
34	Lone Elk Lake	Park	18 acres	About 40 ft
35	Thompson Lake	Park	18 acres	-
36	Huckleberry Lake	Park	17 acres	About 45 ft
37	Looking Glass Lake	Park	16 acres	About 60 ft
38	Glacier Green Lake	Park	16 acres	About 45 ft
39	Wrong Lake	Park	16 acres	About 100 ft
40	Long Lake	Park	16 acres	About 20 ft
41	Cave Lake	Park	15 acres	-
42	Granite Lake	Park	15 acres	-
43	Sky Top Lakes	Park	15 acres	About 20 ft
44	Moose Lake	Park	13 acres	-
45	Anvil Lake	Park	13 acres	About 45 ft
46	Bridge Lake	Park	13 acres	About 40 ft
47	Blue Lake	Park	12 acres	-
48	Corner Lake	Park	12 acres	About 40 ft
49	Ovis Lake	Park	11 acres	About 45 ft
50	West Boulder Lake	Park	11 acres	About 50 ft
51	Lake McKnight	Park	11 acres	About 60 ft
52	Elk Lake	Park	10 acres	About 20 ft
53	Ferrell Lake	Park	10 acres	-
54	Cavity Lake	Park	10 acres	About 90 ft
55	Spider Lake	Park	10 acres	About 60 ft
56	Silver Lake	Park	9 acres	-
57	Swamp Lake	Park	9 acres	-
58	Hidden Lake	Park	9 acres	-
59	Alpine Lake	Park	9 acres	About 20 ft
60	Cutler Lake	Park	9 acres	-
61	Cliff Lake	Park	8 acres	About 20 ft
62	Wall Lake	Park	8 acres	About 15 ft
63	Fire Lake	Park	8 acres	-
64	High Lake	Park	8 acres	-
65	Margaret Lake	Park	8 acres	About 20 ft
66	Moccasin Lake	Park	8 acres	About 30 ft
67	Sunlight Lake	Park	8 acres	-
68	Basin Lake	Park	7 acres	About 25 ft
69	Beauty Lake	Park	7 acres	About 50 ft
70	Cottonwood Lake	Park	7 acres	-
71	Little Goose Lake	Park	7 acres	About 20 ft
72	Star Lake	Park	7 acres	About 35 ft
73	Companion Lake	Park	7 acres	About 20 ft
74	Boulder Lakes	Park	7 acres	About 15 ft
75	Fulcrum Lake	Park	7 acres	About 30 ft
76	Leaky Raft Lake	Park	7 acres	About 30 ft
77	Wiedy Lake	Park	7 acres	About 60 ft
78	Splinter Lake	Park	6 acres	About 20 ft
79	Slide Lake	Park	6 acres	-
80	Incisor Lake	Park	6 acres	About 30 ft
81	Lake Aries	Park	6 acres	About 30 ft
82	Skull Lake	Park	6 acres	About 15 ft
83	Lake of the Woods	Park	6 acres	About 15 ft
84	Lillis Lake	Park	6 acres	About 30 ft
85	George Lake	Park	6 acres	-
86	Sedge Lake	Park	6 acres	About 25 ft
87	Wolf Voice Lake	Park	6 acres	About 5 ft
88	Fish Lake	Park	6 acres	-
89	Finger Lake	Park	5 acres	About 30 ft
90	Nurses Lakes	Park	5 acres	-
91	No Bones Lake	Park	5 acres	About 35 ft
92	Shelter Lake	Park	5 acres	About 45 ft
93	Mud Lake	Park	4 acres	About 10 ft
94	Green Lake	Park	4 acres	About 15 ft
95	Thunder Lake	Park	4 acres	-
96	Crystal Lake	Park	4 acres	-
97	Fly Lake	Park	4 acres	About 30 ft
98	Snow Lake	Park	4 acres	About 20 ft
99	Blacktail Lake	Park	4 acres	About 20 ft
100	Panhandle Lake	Park	4 acres	About 15 ft
101	Stash Lake	Park	4 acres	About 20 ft
102	Pneumonia Lake	Park	3 acres	About 30 ft
103	Sourdough Lake	Park	3 acres	About 20 ft
104	Surprise Lake	Park	3 acres	About 30 ft
105	Marsh Lake	Park	3 acres	About 25 ft
106	Little Molar Lake	Park	3 acres	About 5 ft
107	Paddle Lake	Park	3 acres	About 20 ft
108	Sky Top Lakes	Park	3 acres	About 15 ft
109	Bob Lake	Park	3 acres	About 15 ft
110	Weasel Lake	Park	3 acres	About 20 ft
111	Production Lake	Park	3 acres	About 40 ft
112	Colley Lake	Park	3 acres	-
113	Astral Lake	Park	3 acres	About 4 ft
114	Dick Lake	Park	2 acres	About 15 ft
115	Hilltop Lake	Park	2 acres	About 10 ft
116	Little Green Lake	Park	2 acres	About 5 ft
117	Mutt Lake	Park	2 acres	-
118	Peanut Lake	Park	2 acres	About 20 ft
119	Horseshoe Lake	Park	2 acres	About 2 ft
120	Trout Lake	Park	2 acres	-
121	Jeff Lake	Park	1 acres	-
122	Dollar Lake	Park	1 acres	About 10 ft
123	Star Dust Lake	Park	1 acres	About 5 ft

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