Benton County lake depth maps

Explore 2 lakes as 3D depth maps, built from Minnesota DNR bathymetric surveys — surveyed depth draped over real elevation and aerial imagery.

Largest first Deepest first A – Z Nearest first Filters

Little Rock Lake

15 ft1,306 ac

Mayhew Lake

20 ft127 ac

Where the lakes are

Dot size and shade follow max depth: under 15 ft 100 ft and deeper

All 2 mapped lakes in Benton County; deepest is Mayhew Lake at 20 ft. Tap a dot to open that lake.