Lakes / Tennessee / Grundy County / Cumberland Mountain Lake
Cumberland Mountain Lake, Tennessee
65 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Tennessee
35.39 degrees N, 85.88 degrees W - Grundy 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 Cumberland Mountain Lake Stacks Up
- Larger than 53% of the 249 lakes counted in Tennessee.
- About 40 miles from Chattanooga, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Cumberland Mountain Sd Company Lake | Grundy | 0.8 mi | 34 acres |
| Goose Pond | Grundy | 7.6 mi | 27 acres |
| Parker Lake | Grundy | 8.1 mi | 39 acres |
| Ramsey Lake | Grundy | 9.1 mi | 58 acres |
| Big Creek Lake | Grundy | 9.9 mi | 75 acres |
| AEDC Retention Reservoir | Coffee | 10 mi | 94 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Cumberland Mountain Lake
How Big Is Cumberland Mountain Lake?
Cumberland Mountain Lake covers 65 acres in Grundy County, Tennessee.
What Is the Largest Lake in Grundy County?
S K Johnson Lake is the largest lake in Grundy County, at 80 acres.
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 138656933). Verified October 30, 2026.