Lakes / Mississippi / Smith County / Lake Ross Barnett
Lake Ross Barnett, Mississippi
84.23 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Mississippi
31.83 degrees N, 89.59 degrees W - Smith 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 Ross Barnett Stacks Up
- Larger than 65% of the 382 lakes counted in Mississippi.
- The largest lake in Smith County among those counted.
- About 39 miles from Hattiesburg, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Legion Lake | Covington | 6.1 mi | 32.65 acres |
| Dry Creek Lake | Covington | 9.9 mi | 43.5 acres |
| Simpson Legion State Fishing Lake | Simpson | 13 mi | 76.38 acres |
| Lake Mike Connor | Covington | 18 mi | 80.52 acres |
| Phillips Lake | Simpson | 23 mi | 32.09 acres |
| Jefferson Davis Lake | Jefferson Davis | 23 mi | 102.55 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Ross Barnett
How Big Is Lake Ross Barnett?
Lake Ross Barnett covers 84.23 acres in Smith County, Mississippi.
What Is the Largest Lake in Smith County?
Lake Ross Barnett is the largest lake in Smith County, at 84.23 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 123518798). Verified October 30, 2026.