Lakes / Wyoming / Big Horn County

Lakes in Big Horn County, Wyoming

53 lakes counted in Big Horn County - the largest is Bighorn Lake at 12,422.53 acres.

Lakes Counted

12,422.53 acres

Largest - Bighorn Lake

166 ft

Deepest - Crater Lake

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

All Counted Lakes

#	Lake	County	Surface Area	Max Depth
1	Bighorn Lake	Big Horn	12,422.53 acres	-
2	Lovell Lakes	Big Horn	255 acres	-
3	Tensleep Reservoir	Big Horn	182 acres	-
4	Wardel Reservoir	Big Horn	107 acres	-
5	Lake Solitude	Big Horn	98 acres	153 ft
6	Shell Reservoir	Big Horn	85 acres	-
7	Renner Reservoir	Big Horn	72 acres	-
8	Upper Medicine Lodge Lake	Big Horn	65 acres	-
9	West Tensleep Lake	Big Horn	60 acres	48 ft
10	Walters Reservoir	Big Horn	60 acres	-
11	East Tensleep Lake	Big Horn	56 acres	83 ft
12	Lake Helen	Big Horn	53 acres	66 ft
13	Sandstone Reservoir	Big Horn	52.71 acres	-
14	Lower Medicine Lodge Lake	Big Horn	42 acres	37 ft
15	Mistymoon Lake	Big Horn	40 acres	108 ft
16	Bench Canal Reservoir	Big Horn	40 acres	-
17	Crater Lake	Big Horn	39 acres	166 ft
18	Adelaide Lake	Big Horn	38 acres	-
19	Emerald Lake	Big Horn	35 acres	49 ft
20	Lake Elsa	Big Horn	32 acres	66 ft
21	Bethurem Reservoir	Big Horn	31.88 acres	-
22	Shell Lake	Big Horn	30 acres	35 ft
23	Upper Crater Lake	Big Horn	28 acres	88 ft
24	Horseshoe Reservoir	Big Horn	28 acres	-
25	Middle Cloud Peak Lake	Big Horn	25 acres	49 ft
26	Lower Paint Rock Lake	Big Horn	24 acres	-
27	Lily Lake	Big Horn	21 acres	37 ft
28	Gunboat Lake	Big Horn	21 acres	24 ft
29	Mirror Lake	Big Horn	18 acres	50 ft
30	Cliff Lake	Big Horn	16 acres	69 ft
31	Summit Lake	Big Horn	16 acres	39 ft
32	Poacher Lake	Big Horn	15 acres	40 ft
33	Rainbow Lake	Big Horn	15 acres	45 ft
34	Grace Lake	Big Horn	13 acres	72 ft
35	Horseshoe Lake	Big Horn	13 acres	24 ft
36	Lake Marion	Big Horn	13 acres	35 ft
37	Lake Arden	Big Horn	13 acres	18 ft
38	Lost Lake	Big Horn	12 acres	31 ft
39	Fortress Lakes	Big Horn	10 acres	27 ft
40	Lake Eunice	Big Horn	10 acres	38 ft
41	Sheepherder Lake	Big Horn	9 acres	48 ft
42	Granite Lake	Big Horn	9 acres	31 ft
43	Florence Lake	Big Horn	8 acres	4 ft
44	Lakes of the Rough	Big Horn	8 acres	22 ft
45	Loomis Lake	Big Horn	7 acres	48 ft
46	Golden Lakes	Big Horn	7 acres	10 ft
47	Robin Lake	Big Horn	6 acres	16 ft
48	Willett Lake	Big Horn	5 acres	7 ft
49	Brown Number 1 Reservoir	Big Horn	4 acres	-
50	Little Shell Lake	Big Horn	4 acres	10 ft
51	Upper Paint Rock Lake	Big Horn	3 acres	10 ft
52	Mud Lake	Big Horn	3 acres	5 ft
53	Bear Lake	Big Horn	2 acres	8 ft

Find a Lake in Big Horn County Deepest Lakes Largest Lakes Fish Species

Sources: Wyoming Game and Fish Department lake data; USGS. Verified October 30, 2026.