Mt. Langlasilie is a mountain in north part of Siguniang Massif. Mt. Langlasilie is 5576 mountains above sea level, one of the highest peaks in Siguniang Massif. It is located by the north valley Jiasikou and has glacier by its north. There are 6 peaks that are over 5000 meters on the same ridge.
There is no record of attempt of this mountain. Langlasilie is name of local god (Buddha).