The Sichuan-Tibet Highway, also known as the 318 National Highway, is a highway that connects Chengdu in Sichuan Province to Lhasa in Tibet Autonomous Region. It is 2,142 kilometers long and passes through Ya'an, Kangding, Litang, Batang, Markam and Nyingchi before reaching Lhasa. The road passes through many mountain ranges such as the Hengduan Mountains and Yarlung Tsangpo Grand Canyon. Along the way there are numerous stunning natural landscapes including snow-capped mountains, vast grasslands and deep gorges.