The South Holston Dam is a concrete gravity dam located on the South Holston River in Sullivan County, Tennessee. Completed in 1950, it was built by the Tennessee Valley Authority (TVA) to provide flood control, hydroelectric power, and recreational opportunities. The dam creates the South Holston Lake, which is popular for fishing, boating, and camping. The dam stands 200 feet tall and stretches 1,700 feet across. It has a total generating capacity of 30 megawatts, contributing to the region's electricity supply. The surrounding area is also home to diverse wildlife and offers scenic views, making it a popular destination for outdoor enthusiasts.