Interactive depth contours for Trout Lake in Vilas County, Wisconsin, derived from North Temperate Lakes LTER survey survey data. Pan the map, inspect contour depths, or open the 3D underwater view.
Historical Wisconsin DNR maps
4 converted map sheets. These historical surveys are not for navigation.
Navigable depth map
Pan, zoom, and inspect the converted Wisconsin DNR historical map image in the browser. Historical survey — not for navigation.

Source: Wisconsin DNR · WBIC 2331600 · 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
Trout Lake is 117 feet deep at its deepest point and averages about 49 feet, according to Wisconsin DNR records.
Yes. LakeList publishes a free interactive depth contour map of Trout Lake at a typical 10-foot interval, with an optional 3D underwater view, derived from North Temperate Lakes LTER survey survey data.
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.