The Kosi River (Hindi: कोसी नदी) or Koshi (Nepali: कोशी नदी)—also Saptakoshi (Nepali: सप्तकोशी) known for its seven Himalayan tributaries, is a trans-boundary river flowing through Nepal and India. Some of the rivers of the Koshi system, such as the Arun, the Sun Kosi and the Bhote Koshi, originate in the Tibet Autonomous Region of China. It is one of the largest tributaries of the Ganges.
Along with its tributaries, the river drains 29,400 km2 (11,400 sq mi) in China (mainly the upper Arun basin north of the Mount Everest region), 30,700 km2 (11,900 sq mi) in Nepal (the eastern third of the country), and 9,200 km2 (3,600 sq mi) in India.
The river basin is surrounded by ridges which separate it from the Yarlung Tsangpo River in the north, the Gandaki in the west and the Mahananda in the east. The river is joined by major tributaries in the Mahabharat Range approximately 48 km (30 mi) north of the Indo-Nepal border. Below the Siwaliks, the river has built up a megafan some 15,000 km2 (5,800 sq mi) in extent, breaking into more than twelve distinct channels, all with shifting courses due to flooding. Kamlā, Bāghmati (Kareh) and Budhi Gandak are major tributaries of Koshi in India, besides minor tributaries like Bhutahi Balān.
Over the last 250 years, the Kosi River has shifted its course over 120 km (75 mi) from east to west. Its unstable nature has been attributed to the heavy silt it carries during the monsoon season and flooding in India has extreme effects. The Kosi River (The Sorrow of Bihar) is one of two major tributaries and the other river, the Gandak, drains the plains of north Bihar, the most flood-prone area of India Fishing is an important enterprise on the river but the fishing resources are being depleted and the younger fishermen are leaving for other areas of work.
Other articles related to "koshi river, koshi, rivers":
... embankment and Breaches in Kosi embankment The link between India and Nepal through the Koshi River is one of the main reasons for the flood in Bihar ... When heavy rains occur the water flows to the Koshi River ... When the water level rises too high, Nepal opens the shutters of Koshi Barrage Pool to protect the Koshi River dams as well as the bridge ...
... The Koshi and other rivers draining the Himalayas have populations of Mahseer which are esteemed as gamefish and known as Indian Salmon ...
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