Back Lake, Michigan
7 acres
Surface Area
5 ft
Max Depth
Where It Sits, and How Deep It Goes
Locator - Michigan
46.07 degrees N, 86.60 degrees W - Delta 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 - Back Lake
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.
How Back Lake Stacks Up
- A shallow lake - typical of most Michigan lakes, which run under 20 ft at their deepest.
- About 50 miles from Marquette, as the crow flies.
Facts and Figures
Waterbody ID21-274
CountyDelta
Coordinates46.0690, -86.5960
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 DNRHydrologyOPENDATA (IFR deep points + reference hydro polygons); counties via Census point-in-polygon lake data (ID 21-274). Verified October 30, 2026.