<Tr> <Td> Buffalo River (Eastern Cape) </Td> <Td> R2 </Td> <Td> Eastern Cape </Td> <Td> Northwest of King William's Town </Td> <Td> </Td> <Td> Laing Dam, Bridle Drift Dam </Td> <Td> East London harbour </Td> <Td> 33 ° 01 ′ 45" S 27 ° 54 ′ 57" E ﻿ / ﻿ 33.02917 ° S 27.91583 ° E ﻿ / - 33.02917; 27.91583 ﻿ (Buffalo River mouth) </Td> </Tr> <Tr> <Td> Buffalo River (KwaZulu - Natal) </Td> <Td> V3 </Td> <Td> KwaZulu - Natal </Td> <Td> northeast of Volksrust </Td> <Td> Tugela River </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Buffels River </Td> <Td> F3 </Td> <Td> Northern Cape </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 29 ° 40 ′ 35" S 17 ° 03 ′ 07" E ﻿ / ﻿ 29.67642 ° S 17.051811 ° E ﻿ / - 29.67642; 17.051811 ﻿ (Buffels River mouth (Northern Cape)) </Td> </Tr> <Tr> <Td> Buffels River </Td> <Td> J1 </Td> <Td> Western Cape </Td> <Td> The Komsberg River and the Venters River, join together to become the Buffels River </Td> <Td> </Td> <Td> Floriskraal Dam </Td> <Td> at Buffelspoort, the Klein - Swartberg River joins the Buffels River to become the Groot River </Td> <Td> 33 ° 28 ′ 05" S 20 ° 59 ′ 02" E ﻿ / ﻿ 33.467929 ° S 20.983973 ° E ﻿ / - 33.467929; 20.983973 ﻿ (Buffels River junction (Western Cape)) </Td> </Tr>

Which two rivers are the main rivers in south africa