Reach the Tanggula Mountain Pass 5,231 Meters

The Qinghai-Tibet Highway reaches its highest point of 5231 meters here. On August 24, 2005, rail track was laid through the Pass at 5072 meters for the Qingzang railway, also known as the Qinghai–Tibet railway, making the Tanggula Pass home to the highest railway in the world. The 1,080 kilometer section from Lhasa to Golmud was opened on 1st of July 2006. All rail cars have built in personal oxygen supply to avoid altitude sickness.