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Lake Mendota depth map
Interactive depth contours
Interactive depth contours for Lake Mendota in Dane County, Wisconsin, derived from North Temperate Lakes LTER survey survey data. Pan the map, inspect contour depths, or open the 3D underwater view.
83max depth feet
42mean depth feet
9,781surface acres
9mapped depth contours
Lake MendotaDane County, WI
Contours load with map Access
Interactive depth contours10-foot typical interval · Research survey bathymetry (NTL-LTER) · Not for navigation
Source: North Temperate Lakes LTER surveyhigh confidence · QA passed · Select a contour to inspect its mapped depthSurveyed research bathymetry from the North Temperate Lakes LTER program (University of Wisconsin-Madison, NSF), Yahara Lakes District bathymetry dataset (knb-lter-ntl.153.11, CC-BY). Real measured contours, not a model. Not for navigation.Historical Wisconsin DNR maps
Lake Mendota depth maps
3 converted map sheets. These historical surveys are not for navigation.
Navigable depth map
Lake Mendota · sheet 1
Pan, zoom, and inspect the converted Wisconsin DNR historical map image in the browser. Historical survey — not for navigation.
Source: Wisconsin DNR · WBIC 805400 · image navigation only; spatial alignment pending · Historical lake maps are not for navigation.
Source: Wisconsin Department of Natural Resources. Converted for browser access with source URLs, checksums, and retrieval dates retained. Historical lake maps are not for navigation.
Depth FAQ
How deep is Lake Mendota?
Lake Mendota is 83 feet deep at its deepest point and averages about 42 feet, according to Wisconsin DNR records.
Is there a free depth map of Lake Mendota?
Yes. LakeList publishes a free interactive depth contour map of Lake Mendota at a typical 10-foot interval, with an optional 3D underwater view, derived from North Temperate Lakes LTER survey survey data.
Where does the Lake Mendota depth map come from?
The interactive depth contours are derived from North Temperate Lakes LTER survey. Each contour set passes a visual QA review against the source document before it is published. The source is measured research bathymetry from the North Temperate Lakes LTER program; not for navigation.