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
Sabine River (New Zealand) the mouth of the Sabine); West Sabine Hut (near the Sabine Forks); and Blue Lake Hut. There is a diversity of flora and birdlife within the Sabine River Valley. Sabine River (New Zealand) The Sabine River is in the South Island of New Zealand. It is located in Nelson Lakes National Park. There are two branches to the river—East Sabine and West Sabine. The West Sabine drains Lake Constance and the Blue Lake. The two branches join at the Sabine Forks, and flow into Lake Rotoroa. Apart from the upper reaches, which is open tussock and scrub, the river is