Sam Rayburn Reservoir

Sam Rayburn Reservoir
Location of Sam Rayburn Reservoir in Texas, USA.
Location of Sam Rayburn Reservoir in Texas, USA.
Sam Rayburn Reservoir
Location of Sam Rayburn Reservoir in Texas, USA.
Location of Sam Rayburn Reservoir in Texas, USA.
Sam Rayburn Reservoir
LocationAngelina/ Nacogdoches/ San Augustine / Jasper / Sabine counties, Southeast Texas
Coordinates31°03′40″N 94°06′22″W / 31.06111°N 94.10611°W / 31.06111; -94.10611
Typereservoir
Primary inflowsAngelina River
Primary outflowsAngelina River
Catchment area3,449 sq mi (8,930 km2)
Basin countriesUnited States
Max. length36.43 miles (58.63 km)
Max. width4.29 miles (6.90 km)
Surface area114,500 acres (463 km2)
Max. depth80 feet (24 m)
Water volume1,140,500 acre⋅ft (1.4068 km3)
Surface elevation164 ft (50 m)
Islandsnumerous islands and islets

Sam Rayburn Reservoir is a reservoir in the United States in Deep East Texas, 70 miles (110 km) north of Beaumont. The reservoir is fed by the Angelina River, the major tributary of the Neches River. The Reservoir is upstream of the Big Thicket National Preserve.

The reservoir's capacity is 3,997,600 acre-feet (4.9310×109 m3), and is the largest lake wholly within the state of Texas. It is the ninth largest reservoir in the United States. Sam Rayburn Reservoir is operated by the United States Army Corps of Engineers, Fort Worth district.