Sardis Lake is a 98,520-acre (398.7 km2) reservoir on the Tallahatchie River in Lafayette, Panola, and Marshall counties, Mississippi. Sardis Lake is impounded by Sardis Dam, located nine miles (14 km) southeast of the town of Sardis. It is approximately an hour drive from Memphis, Tennessee. The dam is 15,300 feet (4,700 m) long, has an average height of 97 feet (30 m), and a maximum height of 117 feet (36 m).