The main stream of the Chip Chap River flows westwards along the northern edge of the Depsang Plains. The upper course of the river is in a relatively flat area with a drop of only 190 metres over 30 km. Several mountain streams from the south drain into the relatively stagnant pool of water in this area. Near Tianwendian more streams from the Depsang Plans join the river, bringing in water from the high mountains of Karakoram range to the west. Near the Line of Actual Control that separates the Indian- and Chinese-controlled portions of Depsang Plains, the Lungnak Lungpa stream joins from north. Another stream passing by Daulat Beg Oldi joins the river in the Indian controlled area. The combined river joins the Shyok at an elevation of 4800 m.