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
River Edge, New Jersey the borough's name was changed to River Edge. The borough was formed during the "Boroughitis" phenomenon then sweeping through Bergen County, in which 26 boroughs were formed in the county in 1894 alone. The borough was named for its location along the Hackensack River. According to the United States Census Bureau, River Edge borough had a total area of 1.895 square miles (4.909 km), including 1.854 square miles (4.802 km) of land and 0.041 square miles (0.107 km) of water (2.18%). A suburb of New York City, River Edge is located approximately west of Upper Manhattan. Cherry Hill and North