Its chief tributary is the Vaal, and it rises in the Maluti Mountains of northern Lesotho.
Its waters are diverted to the Sunday and the Great Fish, with which it forms the world's longest irrigation tunnel. Its chief tributary is the Vaal, and it rises in the Maluti Mountains of northern Lesotho. It sometimes runs dry before reaching the Atlantic Ocean, because its lower portion runs through the Kalahari and Namib deserts. For 10 points—name this South African river with a colorful name.
Its waters are diverted to the Sunday and the Great Fish, with which it forms the world's longest irrigation tunnel.
{Orange} River