Clanwilliam Irrigation Area. Stock Photography

Clanwilliam agriculture irrigation area around the Clanwilliam dam. Clanwilliam Dam. A scheme to irrigate about 8 500 ha of land along the reaches of the Olifants River, Van Rhynsdorp District, was completed in 1923. The scheme comprised a barrage, capacity 6,55 million m`, known as Bulshoek Dam, across the OlifantsRiver about 26 km downstream of the town of Clanwilliam and a system of unlined canals extending down the OIifantsValley for about 80 km. Principal crops produced in the area are lucerne, winter cereals, grapes and fruit.