NY · ranked by public data
9 Rockland County lakes cover at least 50 NHD-mapped acres, out of 38 documented lakes in the county.
Methodology
FAQ
DeForest Lake — DeForest Lake in Rockland County is the biggest lake within Rockland County by USGS NHD surface area, at 745 acres (Lake Champlain, shared with Vermont and Québec, is excluded).
Source data: USGS National Hydrography Dataset lake polygons as aggregated by LakeList. NHD-computed area can differ modestly from traditionally cited acreages.Lake outlines are shoreline shapes from LakeList and the USGS National Hydrography Dataset; they illustrate a lake's form and are not depth or navigation charts.