Beervlei Dam is dam in the Groot River, Eastern Cape, South Africa. It was established in 1957, has a capacity of 85,800,000 cubic metres (3.03×10⁹ cu ft), and a surface area of 23.145 square kilometres (8.936 sq mi), and the dam wall is 31 m high. The main purpose of the dam is to provide flood absorption. The Karoo sediments in the area contain a lot of salts and it has been found that lengthy storage of water results in high water salinity.