Rivers of New Zealand Rivers of New Zealand The rivers of New Zealand are used for a variety of purposes and face a number of environmental issues. Many of the rivers in the South Island are braided rivers. The longest river in New Zealand is the Waikato River with a length of . The largest river by volume is the Clutha River with a mean discharge of . Some of the rivers, especially those with wide flood plains and stop banks, have long road bridges spanning them. The Rakaia River is crossed by the longest bridge in New Zealand at . The third longest
Dobson River (New Zealand) New Zealand Department of Conservation maintains a tramping track and several backcountry huts in the river valley. Two of the huts are accessible by 4WD vehicle. There is no direct geographical link with the West Coast town of Dobson. Dobson River (New Zealand) The Dobson River is a river in the South Island of New Zealand. It flows south between the Neumann and Ohau ranges for from its source to the east of Mount Hopkins, in the Southern Alps, before joining with the Hopkins River, close to the latter's entry into the northern end of Lake Ohau in the Mackenzie