When was Cho La Mountain Tunnel built?
China, asia
7 km
6.168 m
extreme
Year-round
Cruising through western Sichuan Province, China? Buckle up for the Cho La Mountain Tunnel, a mind-blowing shortcut through the Cho La Mountains! This beast of a tunnel sits at a staggering 4,378m (14,363ft) above sea level.
Opened in 2017 after a 15-year build, this 7km tunnel (plus 5km of access roads) is part of the G317 highway, linking Chengdu to Nagqu in Tibet. Imagine the challenge of building something like this at such an altitude, where the air is thin and the temperatures plummet!
The tunnel, also known as Que'ershan Tunnel, cuts through the mountains between 4,232m and 4,378m above sea level. The tunnel is paved, speed is limited to 40 kph, and it takes around 10 minutes to cross.
Before this tunnel existed, drivers faced a harrowing journey over a treacherous mountain road, dodging landslides, avalanches, and all sorts of nasty weather on the Que'ershan Mountain Pass at 4,920m (16,141ft)! This tunnel slices two hours off the trip and bypasses the scariest parts of the old road. Trust me, you'll be grateful for this engineering marvel when you see the views!
Road Details
- Country
- China
- Continent
- asia
- Length
- 7 km
- Max Elevation
- 6.168 m
- Difficulty
- extreme
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