Meltwater and runoff from this range combine to form the Tugela River, the chief tributary of the Vaal.  
The Mont-aux-Sources is its northernmost extension, and to the west and south it is continuous with the Maluti Range.  Its erosion carved peaks like Champagne Castle, Monks Cowl, and the Sterkhorn form a high plateau that rises to the 11,425 foot Thabana-Ntlenyana.  Meltwater and runoff from this range combine to form the Tugela River, the chief tributary of the Vaal.  Known to the Zulu as Quathlamba, meaning "a battlement of spears," FTP, name this mountain range that forms the eastern border between Lesotho and South Africa named from the Afrikaans for "Dragon Mountain."
The Mont-aux-Sources is its northernmost extension, and to the west and south it is continuous with the Maluti Range.  
Drakensberg Escarpment or Mountains or Range