WI · ranked by public data
2 Rock County lakes are at least 50 acres with a documented maximum depth, out of 15 documented lakes in the county. Updated July 2026.
Rock County, WI
23 ft maximum depth · 73 acres · 1 public landing
Rock County, WI
12 ft maximum depth · 77 acres · 1 public landing · DNR impairment listed
Methodology
FAQ
Gibbs Lake — Gibbs Lake in Rock County is the deepest documented lake in Rock County, at 23 feet maximum depth.
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.