Pangong Tso, Tibetan for "high grassland lake", also referred to as Pangong Lake, is an endorheic lake in the Himalayas situated at a height of about 4350m. It is 134km long and extends from India to China. Approximately 60% of the length of the lake lies in China. The lake is 5km wide at its broadest point. All together it covers 604 km2. During winter the lake freezes completely, despite being saline water. It is not a part of Indus river basin area and geographically a separate land locked river basin.The lake is in the process of being identified under the Ramsar Convention as a wetland of international importance. This will be the first trans-boundary wetland in South Asia under the convention.Flora, fauna and geographyThe brackish water of the lake has very low micro-vegetation. Guides report that there are no fish or other aquatic life in the lake, except for some small crustaceans. On the other hand, visitors see numerous ducks and gulls over and on the lake surface. There are some species of scrub and perennial herbs that grow in the marshes around the lake.The lake acts as an important breeding ground for a variety of birds including a number of migratory birds. During summer, the Bar-headed goose and Brahmini ducks are commonly seen here. The region around the lake supports a number of species of wildlife including the kiang and the Marmot.