LakeCount. Every Lake. Measured.

Lakes / Minnesota / Deep

Deep, Cass County, Minnesota

24 acres
Surface Area
62 ft
Max Depth
1.26 mi
Shoreline
1,301 ft
Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Minnesota

St. PaulDuluthDeepCass Co.

47.08 degrees N, 94.47 degrees W - Cass County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Minnesota DNR coordinates, not by eye. Schematic - not a survey map.

Depth Profile - Deep

0 ft - SurfaceMax Depth - 62 ftA Typical Shallow Lake - Under 20 ft Deep

Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.

How Deep Stacks Up

Fish Species

Northern PikePumpkinseedYellow PerchBlack BullheadBrown Bullhead

Species recorded for this lake. Presence only - no abundance ratings.

Facts and Figures

Lake ID (DOW)11040400
CountyCass
Coordinates47.0785, -94.4713

Deepest Natural Lakes in Minnesota

#LakeCountySurface AreaMax Depth
1Mahnomen, Alstead & Arco MineCrow Wing272 acres525 ft
2SabinSt. Louis156 acres465 ft
3Gilbert PitSt. Louis243 acres443 ft
4Portsmouth MineCrow Wing149 acres395 ft
5St James PitSt. Louis124 acres381 ft

Largest Lakes in Minnesota

#LakeCountySurface AreaMax Depth
1Lake of the WoodsLake of the Woods725,583 acres210 ft
2RainySt. Louis210,200 acres161 ft
3Mille LacsMille Lacs128,250 acres42 ft
4Red (Upper Red)Beltrami119,294 acres15 ft
5LeechCass103,444 acres150 ft
Sources: Minnesota DNR lake data (ID 11040400); USGS. Verified October 30, 2026.