LakeCount. Every Lake. Measured.

Lakes / Minnesota / Long

Long, Cass County, Minnesota

1,007 acres
Surface Area
115 ft
Max Depth
15.96 mi
Shoreline
1,328 ft
Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Minnesota

St. PaulDuluthLongCass Co.

47.02 degrees N, 94.18 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 - Long

0 ft - SurfaceMax Depth - 115 ftA Typical Shallow Lake - Under 20 ft Deep

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

How Long Stacks Up

Fish Species

WalleyeNorthern PikeLargemouth BassBlack CrappieBluegillPumpkinseedYellow PerchCiscoRock BassBlack BullheadBrown BullheadHybrid SunfishYellow Bullhead

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

Facts and Figures

Lake ID (DOW)11014200
CountyCass
Average Water Clarity15.9 ft
Coordinates47.0188, -94.1794

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 11014200); USGS. Verified October 30, 2026.