where is watts bar lake?
About Watts Bar Lake. Watts Bar Lake is situated in the heart of the Tennessee River Valley midway between Knoxville and Chattanooga. Watts Bar is one of the South's largest lakes at 39,000+ acres, it extends just over 72 miles between Watts Bar Dam and Fort Loudon Dam with the maximum depth being approximately 70 feet near the dams. The lake was created in 1942 and is regulated by the Tennessee Valley Authority (TVA).