Where is the 98 km tunnel in Qinling Mountain?

Shaanxi Province, China. Baidu map shows that the 98km Qinling Tunnel, or Qinling Tunnel, is located in Shaanxi Province, China. The water inlet is located on the left bank behind the dam of Hanjiang Huangjinxia Water Control Project in Yangxian County, Hanzhong City, and the water outlet is located in Huangchigou, a tributary of the right bank of Heihe River in zhouzhi county. The tunnel is about 98.3 kilometers long and the maximum buried depth is about 20 12 meters. On the whole, Qinling Tunnel can be divided into two parts, Lingnan and Lingbei, which are excavated from both ends respectively, and seamless connection is realized through high-precision docking technology.