Nyingchi Mila Mountain Tunnel Opens As The World’s Highest Road Tunnel
2019-05-30

Western End of the Mila Mountain Tunnel
 
As spring came around this year, Nyingchi Prefecture in the southeast of China’s Tibet Autonomous Region became another record-breaking region within Tibet, as the highest road tunnel in the world finally opened for use. Constructed as part of the Lhasa-Nyingchi High-Grade Highway, the Mila Mountain Tunnel in Gongbo’gyamda County of Nyingchi Prefecture was opened for vehicular traffic on Friday April 26, 2019, after several years of construction.
 

MIla Mountain Pass in Nyingchi
 
The Lhasa-Nyingchi High-Grade Highway is just one section of the vast Sichuan-Tibet Highway, which runs for more than 2,000 kilometers from Chengdu in Sichuan Province all the way to the Tibetan capital of Lhasa. Previously, traffic traveling along the road from Chengdu to Lhasa would have to take the winding road that passed over the Mila Mountain at the Mila Mountain Pass, a distance of 18 kilometers that was classed as one of the most dangerous stretches of road on the Lhasa-Nyingchi Highway.
 

Western End of the Mila Mountain Tunnel
 
The two-way tunnel that now bores its way through the base of this 5,018-meter mountain is just 5.7 kilometers long, and is a small section of the 400-kilometer highway that has been constructed between Lhasa and Nyingchi to make the journey faster and more efficient, not to mention much safer. Construction on the tunnel began in 2015, and the final touches were laid to the surfacing on Monday April 22, 2019, finally making the trip to Nyingchi shorter and safer for locals and tourists alike.
 

Tunel Punta Olimpica in Peru, the former World's Highest Tunnel at 4,732 meters ASL
 
At an altitude of 4,752 meters above sea level, this makes the tunnel the second highest tunnel in the world (after the Fenghuoshan Railway Tunnel in Tibet on the Qinghai Tibet Railway), and the highest road tunnel in the world, overtaking the previous record of 4,732 meters at the Tunel Punta Olimpica in Peru.
 
Tunnel  Elevation (m)  Elevation (ft)  Country 
Mila Mountain Tunnel 4,752 15,590 China
Tunel Punta Olimpica 4,732 15,525 Peru
Tunel de Kahuish 4,516 14,816 Peru
Cho La Mountain Tunnel 4,378 14,363 China
 
 

Inside the Mila Mountain Tunnel on the way to Nyingchi
 
According to the project manager of the tunnel construction, Gong Bin, more than ten breakthroughs in new technology have been developed during the construction of the tunnel, including ways to improve survey accuracy for planning mountain tunnels at high altitudes in extreme weather conditions.
 

Western End of the Mila Mountain Tunnel, which is 5,720 meters long

Mt.Namcha Barwa in Nyingchi prefecture has become one of the most favored destinations for tourists from all around the world.
TAG: Tibet travel Tibet overland Tours tunnel worlds highest tunnel milamountain tunnel new tunnel in tibet nyingchi highway tunnel lhasa nyingchi high grade highway tunnel

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