Lakes / Tennessee / Marion County / Nickajack Lake
Nickajack Lake, Tennessee
6,928 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Tennessee
35.04 degrees N, 85.54 degrees W - Marion 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 Nickajack Lake Stacks Up
- Larger than 93% of the 249 lakes counted in Tennessee.
- The largest lake in Marion County among those counted.
- About 13 miles from Chattanooga, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Raccoon Mountain Pumped Storage Dam and Reservoir | Hamilton | 7.8 mi | 526 acres |
| Clifftops Lake | Marion | 22 mi | 65 acres |
| Laurel Lake | Grundy | 22 mi | 25 acres |
| Day Lake | Franklin | 22 mi | 86 acres |
| Ramsey Lake | Grundy | 23 mi | 58 acres |
| Deerhead Lake | Sequatchie | 25 mi | 26 acres |
Straight-line distance between lake centers.
Facts and Figures
Largest Lakes in Tennessee
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Kentucky Lake | Henry | 144,085 acres | - |
| 2 | Watts Bar Lake | Roane | 33,441 acres | - |
| 3 | Cherokee Lake | Hamblen | 29,436 acres | - |
| 4 | Douglas Lake | Jefferson | 29,224 acres | - |
| 5 | Chickamauga Lake | Hamilton | 27,237 acres | - |
All 249 Tennessee 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 139293818). Verified October 30, 2026.