CODE OF VIRGINIA SOUTH MAYO STATE SCENIC RIVER (ยง 10.1-418.5) The South Mayo River in Henry County from the Patrick County line to the North Carolina line, a distance of approximately 6.9 miles, is hereby designated as the South Mayo State Scenic River, a component of the Virginia Scenic Rivers System. HISTORY: 2008, cc. 14, 336; 2018, c. 273.