Lakes / Colorado / Larimer County

Lakes in Larimer County, Colorado

101 lakes counted in Larimer County - the largest is Horsetooth Reservoir at 1,817 acres.

101

Lakes Counted

1,817 acres

Largest - Horsetooth Reservoir

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

All Counted Lakes

#	Lake	County	Surface Area	Max Depth
1	Horsetooth Reservoir	Larimer	1,817 acres	-
2	Boyd Lake	Larimer	1,623 acres	-
3	Carter Lake Reservoir	Larimer	1,120 acres	-
4	Cobb Lake	Larimer	685 acres	-
5	Fossil Creek Reservoir	Larimer	669 acres	-
6	Timnath Reservoir	Larimer	611 acres	-
7	Horseshoe Lake	Larimer	608 acres	-
8	Douglass Lake	Larimer	525 acres	-
9	North Poudre Reservoir Number 6	Larimer	479 acres	-
10	Lonetree Reservoir	Larimer	458 acres	-
11	Handy Reservoir	Larimer	456 acres	-
12	Terry Lake	Larimer	456 acres	-
13	Lake Loveland	Larimer	443 acres	-
14	Bee Lake	Larimer	389 acres	-
15	Windsor Reservoir	Larimer	386 acres	-
16	Mariano Reservoir	Larimer	376 acres	-
17	Long Draw Reservoir	Larimer	339 acres	-
18	North Poudre Reservoir Number 15	Larimer	293 acres	-
19	Halligan Reservoir	Larimer	256 acres	-
20	Demmel Lake	Larimer	248 acres	-
21	Chambers Lake	Larimer	244 acres	-
22	Park Creek Reservoir	Larimer	240 acres	-
23	Rocky Ridge Lake Reservoir Number 1	Larimer	215 acres	-
24	Water Supply and Storage Reservoir Number 3	Larimer	202 acres	-
25	Long Pond	Larimer	190 acres	-
26	Clark Reservoir	Larimer	184 acres	-
27	Indian Creek Reservoir	Larimer	163 acres	-
28	North Poudre Reservoir Number 3	Larimer	154 acres	-
29	Lon Hagler Reservoir	Larimer	150 acres	-
30	Joe Wright Reservoir	Larimer	149 acres	-
31	Annex Reservoir Number 8	Larimer	146 acres	-
32	Warren Lake	Larimer	142 acres	-
33	Lake Estes	Larimer	139 acres	-
34	Curtis Lake	Larimer	137 acres	-
35	Loveland Reservoir	Larimer	136 acres	-
36	Seaman Reservoir	Larimer	125 acres	-
37	Comanche Reservoir	Larimer	112 acres	-
38	Hertha Reservoir	Larimer	108 acres	-
39	Dowdy Lake	Larimer	104 acres	-
40	Eaton Reservoir	Larimer	104 acres	-
41	North Poudre Reservoir Number 4	Larimer	102 acres	-
42	Barnes Meadow Reservoir	Larimer	100 acres	-
43	Lindenmeier Lake	Larimer	99 acres	-
44	Kluver Reservoir	Larimer	91 acres	-
45	Pinewood Lake	Larimer	91 acres	-
46	Bacon Lake	Larimer	90 acres	-
47	Ryan Gulch Reservoir	Larimer	87 acres	-
48	Equalizer Lake	Larimer	86 acres	-
49	Donath Lake	Larimer	85 acres	-
50	Miners Lake	Larimer	82 acres	-
51	Elder Reservoir	Larimer	79 acres	-
52	Water Supply and Storage Reservoir Number 4	Larimer	75 acres	-
53	Claymore Lake	Larimer	74 acres	-
54	Richard Lake Reservoir Number Six	Larimer	73 acres	-
55	Parvin Lake	Larimer	67 acres	-
56	College Lake	Larimer	66 acres	-
57	Houts Reservoir	Larimer	66 acres	-
58	Hinkley Lake	Larimer	64 acres	-
59	Hourglass Reservoir	Larimer	64 acres	-
60	South Side Reservoir	Larimer	64 acres	-
61	South Gray Reservoir	Larimer	59 acres	-
62	Berthoud Reservoir	Larimer	54 acres	-
63	Chapman Reservoir	Larimer	52 acres	-
64	Rist Benson Reservoir	Larimer	51 acres	-
65	Dixon Reservoir	Larimer	50 acres	-
66	Kitchel Lake	Larimer	50 acres	-
67	Robert Benson Lake	Larimer	50 acres	-
68	Boxelder Reservoir Number Three	Larimer	49 acres	-
69	Panhandle Reservoir	Larimer	49 acres	-
70	Portner Reservoir	Larimer	49 acres	-
71	Johnson Reservoir	Larimer	45 acres	-
72	Cemetery Lake	Larimer	44 acres	-
73	Coleman Reservoir	Larimer	43 acres	-
74	Heinricy Lake	Larimer	43 acres	-
75	George Rist Reservoir	Larimer	42 acres	-
76	Flatiron Reservoir	Larimer	41 acres	-
77	Dixon Reservoir	Larimer	40 acres	-
78	Nelson Reservoir	Larimer	40 acres	-
79	North Poudre Reservoir Number 10	Larimer	39 acres	-
80	Peterson Lake	Larimer	38 acres	-
81	Upper Camp Lake	Larimer	38 acres	-
82	Watson Lake	Larimer	38 acres	-
83	Westerdoll Lake	Larimer	38 acres	-
84	Blue Mountain Reservoir	Larimer	37 acres	-
85	Marys Lake	Larimer	37 acres	-
86	Upper Hoffman Lake	Larimer	37 acres	-
87	Nelson Reservoir	Larimer	36 acres	-
88	Duck Lake	Larimer	35 acres	-
89	Laramie Lake	Larimer	35 acres	-
90	Arrowhead Lake	Larimer	34 acres	-
91	Dry Creek Reservoir	Larimer	33 acres	-
92	Mountain Supply Reservoir Number 1	Larimer	33 acres	-
93	Sunnyslope Reservoir	Larimer	30 acres	-
94	Hiawatha Lake	Larimer	29 acres	-
95	Mountain Supply Reservoir Number 9	Larimer	28 acres	-
96	North Gray Reservoir	Larimer	27 acres	-
97	Wasson Reservoir	Larimer	27 acres	-
98	Box I Reservoir Number 1	Larimer	26 acres	-
99	Boxelder Reservoir Number 1	Larimer	26 acres	-
100	Crystal Lake	Larimer	25 acres	-
101	Mountain Supply Reservoir Number 8	Larimer	25 acres	-

Find a Lake in Larimer County Largest Lakes

Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.