The Buffalo River is the largest tributary of the Tugela River in South Africa. With a total length of 426 km, its source is in Majuba Hill, "Hill of Doves" in the Zulu language, located northeast of Volksrust, close to the Mpumalanga / KwaZulu-Natal border. It follows a southerly route into KwaZulu-Natal past Newcastle then turns southeast past Rorke's Drif…The Buffalo River is the largest tributary of the Tugela River in South Africa. With a total length of 426 km, its source is in Majuba Hill, "Hill of Doves" in the Zulu language, located northeast of Volksrust, close to the Mpumalanga / KwaZulu-Natal border. It follows a southerly route into KwaZulu-Natal past Newcastle then turns southeast past Rorke's Drift, before joining the Tugela River at Ngubevu near Nkandla. During the nineteenth century it formed part of the boundary between the Colony of Natal and Zululand.