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Lakes / Colorado / Grand County

Lakes in Grand County, Colorado

24 lakes counted in Grand County - the largest is Lake Granby at 7,075 acres.

24
Lakes Counted
7,075 acres
Largest - Lake Granby

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

All Counted Lakes

#LakeCountySurface AreaMax Depth
1Lake GranbyGrand7,075 acres-
2Williams Fork ReservoirGrand1,549 acres-
3Shadow Mountain LakeGrand1,315 acres-
4Wolford Mountain ReservoirGrand1,283 acres-
5Grand LakeGrand483 acres-
6Willow Creek ReservoirGrand292 acres-
7Red Dirt ReservoirGrand181 acres-
8Meadow Creek ReservoirGrand166 acres-
9Monarch LakeGrand149 acres-
10Lake AgnesGrand107 acres-
11Windy Gap ReservoirGrand102 acres-
12East Branch ReservoirGrand62 acres-
13Hinman ReservoirGrand61 acres-
14Matheson ReservoirGrand54 acres-
15Sylvan ReservoirGrand54 acres-
16Dumont LakeGrand43 acres-
17Whiteley Peak ReservoirGrand37 acres-
18Lake NanitaGrand33 acres-
19Lake VernaGrand33 acres-
20Inkwell LakeGrand32 acres-
21Columbine LakeGrand30 acres-
22Little King Ranch ReservoirGrand30 acres-
23Binco ReservoirGrand27 acres-
24Crater LakeGrand27 acres-
Find a Lake in Grand CountyLargest Lakes
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.