Lakes in Marion County, Texas
5 lakes counted in Marion County - the largest is Lake O' the Pines at 18,152.26 acres.
5
Lakes Counted
18,152.26 acres
Largest - Lake O' the Pines
49 ft
Deepest - Lake O' the Pines
Marion County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake O' the Pines | Marion | 18,152.26 acres | 49 ft |
| 2 | Caddo Lake | Marion | 15,049.71 acres | - |
| 3 | Johnson Creek Reservoir | Marion | 582.92 acres | - |
| 4 | Clinton Lake | Marion | 486.66 acres | - |
| 5 | Monterey Lake | Marion | 54.38 acres | - |
Sources: Texas Parks and Wildlife Department lake data; USGS. Verified October 30, 2026.