A 114,000-acre lake in the Big Thicket country of Texas, with native flora including orchids, insect-eating plants and scores of animal species. At 114,000+ acres, Sam Rayburn is the largest man-made lake located totally within the boundaries of the state of Texas. The lake is located deep in the Piney Woods of Southeast Texas, nestled within the Angelina and Sabine National Forest. Sam Rayburn Reservoir is nationally renowned for its large mouth bass fishery, hosting numerous tournaments each year. Recreation opportunities include camping, fishing, swimming, boating, and hunting as well as concessions offered by marinas.