Minnesota Lake Depths
Minnesota · Todd County

Todd County lake depth maps

Explore 44 lakes as 3D depth maps, built from Minnesota DNR bathymetric surveys — surveyed depth draped over real elevation and aerial imagery.

Featured depth maps

3D depth map of Lake OsakisLargest in the county, most fish species surveyedLake Osakis17 fish species · 60 ft deep · 6,330 acresExplore the 3D map 3D depth map of Big Birch LakeDeepest mapped contourBig Birch Lake80 ft deep · 2,112 acresExplore the 3D map 3D depth map of Little Birch LakeLittle Birch Lake80 ft deep · 838 acresExplore the 3D map

Where the lakes are

Lake Osakis · 60 ft · 6,330 acBig Birch Lake · 80 ft · 2,112 acSauk Lake (North Bay) · 60 ft · 1,675 acBig Swan Lake · 45 ft · 887 acLittle Birch Lake · 80 ft · 838 acSauk Lake (Southwest Bay) · 15 ft · 458 acLong Lake · 60 ft · 395 acMaple Lake · 20 ft · 388 acBig Lake · 20 ft · 289 acLittle Sauk Lake · 25 ft · 286 acMound Lake · 50 ft · 265 acTrace Lake · 5 ft · 256 acBeauty Lake · 25 ft · 238 acPine Island Lake · 25 ft · 233 acThunder Lake · 10 ft · 215 acLatimer Lake · 30 ft · 202 acCoal Lake · 25 ft · 171 acMill Lake · 15 ft · 167 acLady Lake · 60 ft · 164 acLittle Swan Lake · 60 ft · 161 acLong Lake (Main Basin) · 35 ft · 158 acCharlotte Lake · 80 ft · 144 acCedar Lake · 25 ft · 139 acMary Lake · 50 ft · 129 acMoose Lake · 25 ft · 127 acFawn Lake · 20 ft · 125 acBass Lake · 70 ft · 123 acGuernsey Lake · 15 ft · 121 acHorseshoe Lake · 20 ft · 121 acTurtle Lake · 35 ft · 117 acJuergens Lake · 15 ft · 116 acLong Lake · 25 ft · 104 acMons Lake · 80 ft · 94 acBass Lake · 40 ft · 94 acDower Lake · 30 ft · 79 acStar Lake · 30 ft · 69 acFaille Lake · 5 ft · 68 acLily Lake · 30 ft · 62 acBuck Lake · 35 ft · 61 acLake Pepin · 30 ft · 54 acFuller Lake · 45 ft · 52 acHennessy Lake · 25 ft · 52 acMountain Lake · 40 ft · 46 acSchreiers Lake · 7 ft · 28 acLake OsakisBig Birch LakeSauk Lake (North Bay)

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

All 44 mapped lakes in Todd County; deepest is Big Birch Lake at 80 ft. Tap a dot to open that lake.