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
Ashley River (New Zealand) Ashley River (New Zealand) The Ashley River / Rakahuri is in Canterbury Region of New Zealand. It flows generally southeastwards for before entering the Pacific Ocean at Waikuku Beach, Pegasus Bay north of Christchurch. The town of Rangiora is close to the south bank of the Ashley River. The river's official name was changed from Ashley River to the dual name Ashley River / Rakahuri by the Ngai Tahu Claims Settlement Act 1998. Though the lower reaches of the river are braided, part of the upper river flows through a canyon known as the Ashley Gorge. The river emanates from