Lake Tawakoni (/təˈwɑːkəni/ tə-WAH-kə-nee) is a 37,879-acre (15,329 ha) reservoir located in Northeast Texas, about 48 miles (77 km) east of Dallas. It lies within three Texas counties, Hunt, Rains, and Van Zandt. It is used for water supply and recreation. It is under the Sabine River Authority of Texas and the original headwaters of the Sabine are converged under the lake surface.