Waikato River

                                  

                                Waikato River

Waikato is the longest river in Nz, The The Waikato River is the longest river in New Zealand, running for 425 kilometres through the North Island. It rises in the eastern slopes of Mount Ruapehu, joining the Tongariro River  and emptying into Lake Taupo, New Zealand's largest lake. It drains Taupo at the lake's northeastern edge, it creates the Huka Falls, and then goes northwest, through the Waikato plains.`