WI · ranked by public data
6 Sauk County lakes are at least 50 acres with a documented maximum depth, out of 28 documented lakes in the county. Updated July 2026.
Sauk County, WI
47 ft maximum depth · 374 acres · 2 public landings
Sauk County, WI
36 ft maximum depth · 635 acres · 3 public landings · DNR impairment listed
Sauk County, WI
19 ft maximum depth · 139 acres · 2 public landings · DNR impairment listed
Sauk County, WI
16 ft maximum depth · 249 acres · 1 public landing
Sauk County, WI
10 ft maximum depth · 72 acres · 1 public landing
Sauk County, WI
10 ft maximum depth · 52 acres · No verified public access
Methodology
FAQ
Devils Lake — Devils Lake in Sauk County is the deepest documented lake in Sauk County, at 47 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.