<P> Coordinates: 33 ° 46 ′ 19" N 76 ° 50 ′ 43" E ﻿ / ﻿ 33.7719174 ° N 76.8453493 ° E ﻿ / 33.7719174; 76.8453493 </P> <Table> <Tr> <Td> </Td> <Td> Wikimedia Commons has media related to Zanskar River . </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> Wikimedia Commons has media related to Zanskar River . </Td> </Tr> <P> The Zanskar River is a north - flowing tributary of the Indus . In its upper reaches, the Zanskar has two main branches . First of these, the Doda, has its source near the Pensi - la 4,400 m (14,400 ft) mountain - pass and flows south - eastwards along the main Zanskar valley leading towards Padum, the capital of Zanskar . The second branch is formed by two main tributaries known as Kargyag river, with its source near the Shingo La 5,091 m (16,703 ft), and Tsarap river, with its source near the Baralacha - La . These two rivers unite below the village of Purne to form the Lungnak river (also known as the Lingti or Tsarap). The Lungnak river then flows north - westwards along a narrow gorge towards Zanskar's central valley (known locally as gzhung khor), where it unites with the Doda river to form the main Zanskar river . This river then takes a north - eastern course through the dramatic Zanskar Gorge until it joins the Indus near "Nimmu" in Ladakh . </P>

Zanskar and nubra are important tributaries of which river