Lakes / Georgia / Sumter County / Lake Blackshear
Lake Blackshear, Georgia
7,984 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Georgia
31.95 degrees N, 83.94 degrees W - Sumter County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Lake Blackshear Stacks Up
- Larger than 98% of the 728 lakes counted in Georgia.
- The largest lake in Sumter County among those counted.
- About 64 miles from Macon, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Mile Pond | Crisp | 4.0 mi | 47 acres |
| Williams Lake | Crisp | 7.4 mi | 55 acres |
| Bartenfield Lake | Dooly | 9.0 mi | 56 acres |
| Browns Millpond | Sumter | 12 mi | 59 acres |
| Lake Philema | Sumter | 15 mi | 167 acres |
| Ryner Pond | Dooly | 15 mi | 41 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Blackshear
How Big Is Lake Blackshear?
Lake Blackshear covers 7,984 acres in Sumter County, Georgia.
What Is the Largest Lake in Sumter County?
Lake Blackshear is the largest lake in Sumter County, at 7,984 acres.
Largest Lakes in Georgia
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | J. Strom Thurmond Reservoir | Lincoln | 40,816 acres | - |
| 2 | Lake Sidney Lanier | Forsyth | 38,293 acres | - |
| 3 | Walter F George Reservoir | Quitman | 34,919 acres | - |
| 4 | J. Strom Thurmond Reservoir | Columbia | 25,660 acres | - |
| 5 | West Point Lake | Troup | 22,313 acres | - |
All 728 Georgia lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 72194624). Verified October 30, 2026.