The uMkhomazi River is a river in KwaZulu-Natal, South Africa. It rises in some of the highest eastwards-facing slopes of the Drakensberg mountains, near the mighty Thabana Ntlenyana. The river flows southeastwards towards the Indian Ocean, which it enters through a navigable estuary at Umkomaas, about 50 km southwest of Durban. I…The uMkhomazi River is a river in KwaZulu-Natal, South Africa. It rises in some of the highest eastwards-facing slopes of the Drakensberg mountains, near the mighty Thabana Ntlenyana. The river flows southeastwards towards the Indian Ocean, which it enters through a navigable estuary at Umkomaas, about 50 km southwest of Durban. Its main tributaries are the Loteni, Nzinga, Mkomazane, Elands and the Xobho River.