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Lakes / Arkansas / Union County

Lakes in Union County, Arkansas

16 lakes counted in Union County - the largest is Grand Marais at 610 acres.

16
Lakes Counted
610 acres
Largest - Grand Marais

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

All Counted Lakes

#LakeCountySurface AreaMax Depth
1Grand MaraisUnion610 acres-
2Calion LakeUnion495 acres-
3Open BrakeUnion143 acres-
4Wildcat LakeUnion106 acres-
5Little LakeUnion74 acres-
6Open BrakeUnion64 acres-
7Shaw BrakeUnion60 acres-
8Jones LakeUnion56 acres-
9Benjamin LakeUnion40 acres-
10Beaver PondUnion38 acres-
11Jones LakeUnion36 acres-
12Forty Acre MillpondUnion34 acres-
13Hoop LakeUnion31 acres-
14Jones LakeUnion30 acres-
15Sowell LakeUnion29 acres-
16Anthony LakeUnion25 acres-
Find a Lake in Union CountyLargest Lakes
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.