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River in China

The Jialing River, formerly known by numerous other names, is a major tributary of the Yangtze River in the Sichuan Basin. It is named after the Jialing Valley in Feng County, Shaanxi through which it flows. The Jialing River's most notable characteristic was formerly its pellucid green waters. Before that, it was generally known as the Ba, by comparison with the Jinsha and Yangtze.

The source of the Jialing, in name, is in the Jialin, which means "the tomb of Jia (嘉陵)" in Chinese. Jia (赵代王嘉) was the last king of State Zhao (赵国), who was kidnapped to State Qin (now called Tianshui, Gansu Province, 甘肃省天水市) after Qin defeated Zhao. The river briefly flows through Gansu before reentering Shaanxi and then crossing south into Sichuan. The longest stem of the Jialing River, however, can be traced to a source in Aba Tibetan and Qiang Autonomous Prefecture, Sichuan and the entire river is long. This source is located at the head of the Baozuo River, considered a tributary of the Bailong River, itself the primary tributary and main stem of the Jialing River system. The branches named Jialing and Bailong meet in Guangyuan in Sichuan and continue as the Jialing to the Yangtze. The river reaches the floor of the Sichuan Basin at Langzhong and continues in a sinuous route into Chongqing and its junction with the Yangtze River. Besides the Bailong River which forms a portion of the main stem, the largest tributaries of the Jialing River include the Xihan River, the Fu River (also known as Sui He), and the Qu River. The Xihan meets the Jialing in Shaanxi, while both the Fu and the Qu join the Jialing's respective right and left banks in Hechuan, Chongqing. The cities along the Jialing's course include Tianshui, Baoji, Longnan, Guangyuan, Langzhong, Nanchong, and Chongqing. Cities found within the Jialing's basin and along its tributaries include Tianshui, Baoji, Longnan, Longnan, Mianyang, Suining, Bazhong, Wanyuan, Dazhou, and Guang'an.

A total of 151 species of fish inhabit the river, of which 51 species are endemic to the Yangtze River basin.

The Han and Jialing basins were the heartland of the ancient state of Ba, whose major cities were located at the sites of their tributaries' confluences. The Jialing assumed greater importance when Chu expanded up the Han during the 5th and 4th centuries BC. The Jialing figures in one of the legends surrounding the Tang era artist Wu Daozi. During the Kaiyuan Era of the Emperor Xuanzong, Wu was commissioned to depict the course of the Jialing and sent to Sichuan to travel its length for the work. Supposedly, he returned to the imperial palace and completed it in a single day from memory. It is sometimes added that his technique was foiled by Li Sixun, who accompanied him and followed the traditional practice of working slowly from numerous prepared sketches. To the extent that it is grounded in a real event, however, it probably only reflects Wu's speed of execution and not a lack of reliance on sketches. Around 1880, four out of Chongqing's 24 shipping guilds were concerned with shipping along the Jialing. Chongqing, Lingshi, Lezhi, and Hechuan all developed shipyards. In the 1920s, five of Chongqing's eight ferry guilds plied routes across the Jialing. Following the end of the Chinese Civil War in 1949, the river was repeatedly dredged and straightened until it was navigable throughout the year by the early 1970s.