<Tr> <Td> - min </Td> <Td> 1,200 m / s (42,378 cu ft / s) </Td> </Tr> <Tr> <Td_colspan="2"> Map of the Indus River basin excluding the tributaries draining in to Rann of Kutch </Td> </Tr> <P> The Indus River (locally called Sindhū) is one of the longest rivers in Asia . Originating in the Tibetan Plateau in the vicinity of Lake Manasarovar, the river runs a course through the Ladakh region of Jammu and Kashmir, towards Gilgit - Baltistan and the Hindukush ranges, and then flows in a southerly direction along the entire length of Pakistan to merge into the Arabian Sea near the port city of Karachi in Sindh . It is the longest river and national river of Pakistan . </P> <P> The river has a total drainage area exceeding 1,165,000 km (450,000 sq mi). Its estimated annual flow stands at around 243 km (58 cu mi), twice that of the Nile River and three times that of the Tigris and Euphrates rivers combined, making it the twenty - first largest river in the world in terms of annual flow . The Zanskar is its left bank tributary in Ladakh . In the plains, its left bank tributary is the Panjnad which itself has five major tributaries, namely, the Chenab, Jhelum, the Ravi, the Beas, and the Sutlej . Its principal right bank tributaries are the Shyok, the Gilgit, the Kabul, the Gomal, and the Kurram . Beginning in a mountain spring and fed with glaciers and rivers in the Himalayas, the river supports ecosystems of temperate forests, plains and arid countryside . </P>

What is the starting point of indus river