 Laurel River Lake's drainage area is 282 square miles (730 km²).The area of the lake changes based on how full it is, but it is about 19 miles (31 km) long, with 206 miles (332 km) of shoreline.Its area ranges from about 5,600 to 6,060 acres (23 to 25 km²), with a maximum flood-control size of 6,650 acres (27 km²).