Lakes / Alabama / Shelby County / Oak Mountain Lake
Oak Mountain Lake, Alabama
76.11 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alabama
33.37 degrees N, 86.70 degrees W - Shelby 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 Oak Mountain Lake Stacks Up
- Larger than 64% of the 371 lakes counted in Alabama.
- About 12 miles from Birmingham, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lunker Lake | Shelby | 0.8 mi | 90.69 acres |
| Heather Lake | Shelby | 3.1 mi | 87.48 acres |
| Indian Valley Lake | Shelby | 3.6 mi | 81.79 acres |
| Double Oak Lake | Shelby | 4.3 mi | 61.04 acres |
| Cahaba Girl Scout Council Lake | Shelby | 5.7 mi | 40 acres |
| The Narrows | Shelby | 7.2 mi | 961.98 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Oak Mountain Lake
How Big Is Oak Mountain Lake?
Oak Mountain Lake covers 76.11 acres in Shelby County, Alabama.
What Is the Largest Lake in Shelby County?
Lay Lake is the largest lake in Shelby County, at 13,367.04 acres.
Largest Lakes in Alabama
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Guntersville Lake | Jackson | 65,603.24 acres | - |
| 2 | Wheeler Lake | Limestone | 52,372.46 acres | - |
| 3 | Martin Lake | Tallapoosa | 40,186.87 acres | - |
| 4 | Pickwick Lake | Lauderdale | 34,469.69 acres | - |
| 5 | Weiss Lake | Cherokee | 25,519.1 acres | - |
All 371 Alabama lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 90883231). Verified October 30, 2026.