| Lake O’ the Pines | |
|---|---|
 | |
  Lake O’ the Pines  Lake O’ the Pines | |
| Location | Marion, Camnp, Upshur, and Morris counties in Texas, United States |
| Coordinates | 32°46′15″N 94°32′37″W / 32.77083°N 94.54361°W |
| Type | reservoir |
| Primary inflows | Big Cypress Bayou (Big Cypress Creek) |
| Primary outflows | Big Cypress Bayou |
| Catchment area | 850 sq mi (2,201 km2) |
| Basin countries | United States |
| Surface area | 18,680 acres (76 km2) |
| Water volume | 250,000 acre⋅ft (0.31 km3) |
| Surface elevation | 230 ft (70.1 m) |
Lake O’ the Pines is a reservoir on Big Cypress Bayou, also known as Big Cypress Creek, chiefly in Marion County, Texas, United States.[1] The reservoir also occupies a small part of Camp, Upshur, and Morris Counties. The dam is located approximately 8.5 miles (13.7 km) west of Jefferson.