Half Moon, St. Louis County, Minnesota
162 acres
Surface Area
40 ft
Max Depth
4.07 mi
Shoreline
1,388 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - Minnesota
47.38 degrees N, 92.51 degrees W - St. Louis 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 - Half Moon
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.
How Half Moon Stacks Up
- About 45 miles from Duluth, as the crow flies.
- 11 fish species on the DNR list for this lake.
Fish Species
Northern PikeLargemouth BassBlack CrappieBluegillPumpkinseedYellow PerchCentral MudminnowGolden ShinerHybrid SunfishTadpole MadtomYellow Bullhead
Species recorded for this lake. Presence only - no abundance ratings.
Facts and Figures
Lake ID (DOW)69065700
CountySt. Louis
Average Water Clarity11 ft
Coordinates47.3833, -92.5066
Deepest Natural Lakes in Minnesota
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Mahnomen, Alstead & Arco Mine | Crow Wing | 272 acres | 525 ft |
| 2 | Sabin | St. Louis | 156 acres | 465 ft |
| 3 | Gilbert Pit | St. Louis | 243 acres | 443 ft |
| 4 | Portsmouth Mine | Crow Wing | 149 acres | 395 ft |
| 5 | St James Pit | St. Louis | 124 acres | 381 ft |
Largest Lakes in Minnesota
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake of the Woods | Lake of the Woods | 725,583 acres | 210 ft |
| 2 | Rainy | St. Louis | 210,200 acres | 161 ft |
| 3 | Mille Lacs | Mille Lacs | 128,250 acres | 42 ft |
| 4 | Red (Upper Red) | Beltrami | 119,294 acres | 15 ft |
| 5 | Leech | Cass | 103,444 acres | 150 ft |
Sources: Minnesota DNR lake data (ID 69065700); USGS. Verified October 30, 2026.