China National Highway 317 (G317) runs broadly west to east from

Chengdu Chengdu; Sichuanese dialects, Sichuanese pronunciation: , Standard Chinese pronunciation: ; Chinese postal romanization, previously Romanization of Chinese, romanized as Chengtu. is the capital city of the Chinese province of Sichuan. With a ...

Sichuan Sichuan is a province in Southwestern China, occupying the Sichuan Basin and Tibetan Plateau—between the Jinsha River to the west, the Daba Mountains to the north, and the Yunnan–Guizhou Plateau to the south. Its capital city is Cheng ...

Gar County Gar County (; zh, s=噶尔县), formerly Senge Tsangpo County, is a district (county) in the Ngari Prefecture of the western Tibet Autonomous Region of China. The main town is Shiquanhe (Sênggêkanbab), also called "Gar", on account of being th ...

Ngari Prefecture Ngari Prefecture () or Ali Prefecture ( zh, s=阿里地区 , t=阿里地區 , p=Ālǐ Dìqū) is a prefecture of China's Tibet Autonomous Region covering Western Tibet, whose traditional name is Ngari Khorsum. Its administrative centre and large ...

Tibet Tibet (; ''Böd''; ), or Greater Tibet, is a region in the western part of East Asia, covering much of the Tibetan Plateau and spanning about . It is the homeland of the Tibetan people. Also resident on the plateau are other ethnic groups s ...

. It is 2,028 kilometres in length and forms an important transportation route in Tibet. As of 2017, Highway 317 passes through the highest vehicular tunnel in the world in the Chola Mountains of Dêgê County. Part of the route is concurrent with the Sichuan-Tibet Highway.

Route and distance

References

See also