Lakes / Oklahoma / Caddo County / Fort Cobb Reservoir
Fort Cobb Reservoir, Oklahoma
3,850.93 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oklahoma
35.19 degrees N, 98.48 degrees W - Caddo 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 Fort Cobb Reservoir Stacks Up
- Larger than 92% of the 376 lakes counted in Oklahoma.
- The largest lake in Caddo County among those counted.
- About 41 miles from Lawton, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Public Service Reservoir Number 3 | Caddo | 9.4 mi | 226.84 acres |
| Sugar Creek Site 9 Reservoir | Caddo | 11 mi | 39.29 acres |
| Sugar Creek Site 24 Reservoir | Caddo | 13 mi | 44.73 acres |
| Sugar Creek Site 25 Reservoir | Caddo | 14 mi | 27.43 acres |
| Sugar Creek Site 22 Reservoir | Caddo | 15 mi | 28.17 acres |
| Sugar Creek Site 26 Reservoir | Caddo | 15 mi | 45.71 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Fort Cobb Reservoir
How Big Is Fort Cobb Reservoir?
Fort Cobb Reservoir covers 3,850.93 acres in Caddo County, Oklahoma.
What Is the Largest Lake in Caddo County?
Fort Cobb Reservoir is the largest lake in Caddo County, at 3,850.93 acres.
Largest Lakes in Oklahoma
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Eufaula Lake | Pittsburg | 100,734.12 acres | - |
| 2 | Lake Texoma | Marshall | 59,414.43 acres | - |
| 3 | Grand Lake O' The Cherokees | Delaware | 38,902.36 acres | - |
| 4 | Robert S Kerr Reservoir | Haskell | 35,795.91 acres | - |
| 5 | Oologah Lake | Rogers | 29,728.7 acres | - |
All 376 Oklahoma lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 147644162). Verified October 30, 2026.