WI · ranked by public data
2 Rock County lakes cover at least 50 acres, out of 15 documented lakes in the county. Updated July 2026.
Rock County, WI
77 acres · 12 ft max depth · 1 public landing · DNR impairment listed
Rock County, WI
73 acres · 23 ft max depth · 1 public landing
Methodology
FAQ
Clear Lake — Clear Lake in Rock County is the biggest lake in Rock County, at 77 acres.
Source data: Wisconsin DNR lake and monitoring records as aggregated by LakeList. Figures reflect the most recent documented values, not new surveys — verify access and rules before you go. 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.