Water in New Zealand and are of varying types and origins. Many of the lakes in the central North Island area are volcanic crater lakes, while the majority of the lakes near the Southern Alps were carved by glaciers. Hydroelectric reservoirs are common in South Canterbury, Central Otago and along the Waikato River. Over 180,000 kilometres of rivers has been mapped in New Zealand, the longest being the Waikato River with a length of 425 kilometres and the largest river by volume is the Clutha River with a mean discharge of 533 cubic metres per second. New Zealand has many notable waterfalls, some of
Arrow River (New Zealand) the 1860s. The scene where Arwen challenged the Nazgûl while rushing Frodo to Rivendell was shot at this location for Peter Jackson's "The Lord of the Rings" film trilogy. The river was originally called Haihainui- big scratches- by Māori who used to visit this area during summer for seasonal hunting (of birds) and gathering (of pounamu - greenstone). Arrow River (New Zealand) The Arrow River is a short river in Otago, New Zealand. It is a tributary of the Kawarau River, which in turn feeds into the Clutha. The town of Arrowtown lies on the Arrow. A very small amount