Chao-tong, Sichuan, China (Google Maps ⧉, OpenStreetMap ⧉)

"From Si-ngan Fu S.W. to Ch’êng-tu, viâ K’i-shan, Fung-sien, Mien, Kwang-yuan and Chao-hwa, about 30 days, in chairs."

"then passes by Chao-tong and Tong-chuan to Yun-nan fu."

"…navigable up to about the latitude of Chao-tong."