The Vaal is a major river in South Africa, flowing through the provinces of Gauteng, Free State, and North West. It is approximately 1,120 kilometers long and serves as a tributary to the Orange River. The river is an essential water source for agriculture and industry in the region. The Vaal River is also known for its recreational activities, including fishing, boating, and water sports. The Vaal Dam, created by damming the river, is a popular destination for weekend getaways and provides water supply to nearby cities, including Johannesburg and Pretoria.