Trans-Karakoram Tract
The main channel of "Siachen Glacier", which flows from north to south into India, begins from the southern slope of Indira Col West. The "Urdok Glacier", which flows from south to north into "Trans-Karakoram Tract" held by China, begins from the northern slope of Indira Col West, its subbranches "Urdok I" glacier flows from north to northwest from the northern slope of "India Col East" and "Urdok II" glacier flows north to northwest from the northern slope of "Turkmenistan La North".