Great Fish River, Eastern Cape
… length of 692 km and a drainage area of 30,800 square km. Its main Northern Tributary, the Great Brak River, rises in … River is mainly Southward; however, about halfway along its course it turns East and joins with the Koonap River … as far South as the Great Fish River by 1500 CE. In the early 19th Century, the lower Great Fish valley formed a …