[5] The Siachen Glacier terminates in a snout located at around 3,570 m (11,700 ft) and two pro-glacial melt-water streams originate out of two ice caves in the region.

[8] It then flows between the Karakoram range and the Saltoro Mountains in a general southeasterly direction for about 90 kilometres (56 mi) before its confluence with the Shyok River near Diskit, forming the Nubra Valley.

The area has a very arid climate, and the lack of precipitation and the high elevation means that the upper reaches of the valley are nearly devoid of vegetation.

[14][15] The Siachen Glacier, the source of the Nubra River, has for some time[nb 1] been the scene of conflict between India and Pakistan, and has been called the world's highest battleground.

The washing of warfare clothes at hot sulfur springs near the Indian base camp also contaminates the river.