Becky Hulsey, Envision Virtual Tours. Envision Virtual Tours provides professional high resolution photography and virtual tours for Lake Rabun in Georgia. Lake Rabun Lake in Georgia Lake Rabun is a twisty 835-acre reservoir with 25 miles of shoreline located in the Northeastern corner of Georgia in Rabun County. It is the third lake in a six-lake series that follows the original course of the Tallulah River. Wikipedia Surface elevation: 1,690' (515 m) Area: 1.305 sq miles (3.379 km²) Shore length: 24.85 miles (40 km)