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Erlangshan Tunnel

 Garze Attractions

Shanhaiguan Great Wall

Introduction to Erlangshan Tunnel (二郎山隧道)

Erlangshan Tunnel is a part of Sichuan-Tibet Highway, located in Erlang Mountain that is at the junction of Yaan City and Garze Prefecture. Erlangshan Tunnel is 4,176 meters, and the hole at an altitude of 2,200 meters, with a total investment of 470 million Yuan. 

It is the main project of Sichuan-Tibet Highway reconstruction. This was the longest, deepest buried, highest and most complicated geological conditions mountain highway tunnel. This tunnel plays a significant role in the development of Sichuan, and even in the whole country. The tunnel shortens 25 mileages to go into Kangding City and Tibet, making it convenient for people of Sichuan and Tibet to get to other places around. 

Round the Erlangshan Tunnel, there are many famous attractions including Gongga Mountain, Moxi Ancient Town, Luding Steel Bridge and Hailuogou. Visitors can also go to these scenic spots to appreciate beautiful views of western Sichuan. 

Shanhaiguan Great Wall


A part of Sichuan-Tibet Highway, Sichuan Province, Southwest of China

Shanhaiguan Great Wall

Main Sights

Erlangshan Tunnel

Shanhaiguan Great Wall

Travel Information

Admission for Erlangshan Tunnel: free

Opening Hours: whole day

Shanhaiguan Great Wall


1. Visitors can take flight from Chengdu or Chongqing to Kangding Airport, then take special-line buses from the airport to Yaan to experience the Tunnel.

Shanhaiguan Great Wall

Travel Tips

1. The weather there changes a lot between day and night, so it is suggested to bring coats even in summer.

2. It is not recommended to visit there during “May 1st” and “October 1st” these two golden vacation weeks. Because at that time, the hotel reservation and transportation around will be in its climax, the price will be much higher than ordinary times.

Shanhaiguan Great Wall

Tour including Visiting Erlangshan Tunnel

Sichuan–Tibet Highway 15 Days Tour

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