Where is the Tongtian River through which Tang Priest went to fetch Buddhist scriptures from the West?

The Tongtian River, through which the Tang Priest went for Buddhist scriptures, is in the upper reaches of the Yangtze River. Tongtianhe is a section of the upper reaches of the Yangtze River, starting from Nangji Balong, connected with the source of the Yangtze River at Dangqu, down to the Batang estuary near Yushu Tibetan, and connected with Jinsha River, running through the whole territory of Yushu Tibetan Autonomous Prefecture in Qinghai Province, with a river length of 8 13 km.

Tongtian River, called Yak River in ancient times, is located at the source of the Yangtze River and is famous all over the world for being included in The Journey to the West. From Jiangyuan to Jiangkou, there are many river sections in the middle, each with its own name. Tongtian River is a big river in China, which mainly flows through Qinghai. Tongtianhe's reputation mainly comes from places in China such as Journey to the West and the Monkey King, and there is another river called Tongtianhe.