Big Swan Lake Depth Map — Todd County, MN

45max depth feet

18mean depth feet

946.56surface acres

10mapped depth contours

Big Swan LakeTodd County, MN

Contours load with map

Interactive depth contours5-foot typical interval · Official Minnesota DNR survey bathymetry · Not for navigation

Source: Minnesota DNRhigh confidence · QA passed · Select a contour to inspect its mapped depthOfficial Minnesota DNR lake survey: measured depth contours at a 5-ft interval (deepest mapped contour 45 ft), digitized by the DNR from field bathymetric surveys and reprojected to WGS84. Bathymetry © Minnesota DNR. Not for navigation.

Depth FAQ

How deep is Big Swan Lake?

Big Swan Lake is 45 feet deep at its deepest point and averages about 18 feet, according to public agency records.

Is there a free depth map of Big Swan Lake?

Yes. LakeList publishes a free interactive depth contour map of Big Swan Lake at a typical 5-foot interval, with an optional 3D underwater view, derived from Minnesota DNR survey data.

Where does the Big Swan Lake depth map come from?

The interactive depth contours are derived from Minnesota DNR. Each contour set passes a visual QA review against the source document before it is published. The depths are from an official Minnesota DNR lake survey (measured bathymetric contours); not for navigation.

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