Langtang Valley trek is one of the lesser known treks of Nepal. It is also called the valley of glaciers treks. Infact, Langtang is the place from here you can get the majestic snow-capped mountains and the beautiful glaciers at close quarters. Langtang is only 8 hours drive towards the north of Kathmandu. This trek route was discovered by the famous British mountaineer and travel writer Bill Tilman.