Michigan Lake Depths
Michigan · Keweenaw County

Keweenaw County lake maps & depth charts

Explore 9 lakes as 3D depth maps, built from Michigan DNR bathymetric surveys — surveyed depth draped over real elevation and aerial imagery.

Featured depth maps

3D depth map of Lake GratiotLargest in the county, deepest mapped contourLake Gratiot70 ft deep · 1,479 acresExplore the 3D map 3D depth map of Lac La BelleSecond largestLac La Belle38 ft deep · 1,152 acresExplore the 3D map 3D depth map of Lake MedoraThird largestLake Medora30 ft deep · 696 acresExplore the 3D map

Where the lakes are

Lake Gratiot · 70 ft · 1,479 acLac La Belle · 38 ft · 1,152 acLake Medora · 30 ft · 696 acDeer Lake · 15 ft · 334 acLake Bailey · 9 ft · 243 acLake Fanny Hooe · 40 ft · 232 acThayer Lake · 5 ft · 119 acLake Manganese · 25 ft · 58 acLake Glazon · 7 ft · 33 acLake GratiotLac La BelleLake Medora

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

All 9 mapped lakes in Keweenaw County; deepest is Lake Gratiot at 70 ft. Tap a dot to open that lake.