MI · ranked by public data
2 Gratiot County lakes cover at least 50 state-mapped acres, out of 4 documented lakes in the county.
Gratiot County, MI
72 acres · 20 ft max depth
Methodology
FAQ
Rainbow Lake — Rainbow Lake in Gratiot County is the biggest inland lake in Gratiot County by Michigan DNR GIS acreage, at 304 acres.
Source data: Michigan DNR GIS lake polygons as aggregated by LakeList. GIS-computed acres can differ modestly from older published figures.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.