The Guoliang Tunnel is carved along the side of and through a mountain in China. The tunnel is located in the Taihang Mountains which are situated in the Henan Province of China. If you want to get there, you should start your trip in Xinxiang. Leave the city by driving north on Huanyu Avenue (the S229). After 13 miles you’ll enter the town of Huixian.
Photograph via Blog-O-Rama
Stay on the S229 for 15 miles more until you reach the junction with the S228. Turn left here and keep following the S229. After 8 miles you reach the village of Nanzhaizen. Turn left again and follow directions to Guoliang, 8 miles further.