Lakes / Mississippi / Adams County / Flat Lake
Flat Lake, Mississippi
63.61 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Mississippi
31.60 degrees N, 91.47 degrees W - Adams 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 Flat Lake Stacks Up
- Larger than 54% of the 382 lakes counted in Mississippi.
- About 90 miles from Jackson, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Marengo Lake | Adams | 0.2 mi | 62.37 acres |
| Grassy Lake | Adams | 2.6 mi | 68.7 acres |
| Whitehall Lake | Adams | 3.6 mi | 34 acres |
| Thornburg Lake | Adams | 9.5 mi | 156.15 acres |
| Butler Lake | Adams | 12 mi | 591.46 acres |
| Fields Lake | Adams | 12 mi | 211.09 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Flat Lake
How Big Is Flat Lake?
Flat Lake covers 63.61 acres in Adams County, Mississippi.
What Is the Largest Lake in Adams County?
Butler Lake is the largest lake in Adams County, at 591.46 acres.
Largest Lakes in Mississippi
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Sardis Lake | Lafayette | 33,218.53 acres | - |
| 2 | Grenada Lake | Grenada | 16,988.3 acres | - |
| 3 | Arkabutla Lake | DeSoto | 11,389.45 acres | - |
| 4 | Enid Lake | Yalobusha | 6,290.32 acres | - |
| 5 | Bay Springs Lake | Tishomingo | 6,072.74 acres | - |
All 382 Mississippi lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 130704088). Verified October 30, 2026.