Lakes / Michigan / Turtle Lake
Turtle Lake, Benzie County, Michigan
41 acres
Surface Area
22 ft
Max Depth
7.6 ft
Average Depth
834 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - Michigan
44.62 degrees N, 85.90 degrees W - Benzie County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Michigan DNR coordinates, not by eye. Schematic - not a survey map.
Depth Profile - Turtle Lake
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.
Facts and Figures
Waterbody ID10-34
CountyBenzie
Coordinates44.6153, -85.9049
Deepest Natural Lakes in Michigan
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Torch Lake | Antrim | 18,713 acres | 285 ft |
| 2 | Elk Lake | Antrim | 8,194 acres | 192 ft |
| 3 | Crystal Lake | Benzie | 9,865 acres | 175 ft |
| 4 | Lake Angeline | Marquette | - | 162 ft |
| 5 | Syphon Lake | Luce | 11 acres | 160 ft |
Largest Lakes in Michigan
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Houghton Lake | Roscommon | 20,070 acres | 21 ft |
| 2 | Torch Lake | Antrim | 18,713 acres | 285 ft |
| 3 | Burt Lake | Cheboygan | 17,393 acres | 73 ft |
| 4 | Lake Charlevoix | Charlevoix | 17,256 acres | 120 ft |
| 5 | Mullett Lake | Cheboygan | 16,702 acres | 120 ft |
Sources: Michigan DNR lake data (ID 10-34); USGS; Michigan DNR IFR Technical Report 2004-2, Table 1. Verified October 30, 2026.