Lalin River originates from Bieshilazi Mountain in the south of Zhangguangcailing, and its general flow direction is southeast and northwest. The middle and lower reaches are the boundary rivers between Heilongjiang Province and Jilin Province. Heilongjiang Province flows through wuchang city and Shuangcheng, and the other side of Jilin Province flows through shulan city, yushu city, Fuyu County and other counties (cities), and flows into Songhua River near Duokoudian in Shuangcheng City (the other side is Xishantun, Yijiadian Township, Fuyu County).
Most of its reach is the boundary river between Heilongjiang and Jilin Province. The total length is 448 kilometers.
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Mangniu River: Originated from the west slope of Datu Alley in Chonghe Town, this county. Liao and Jin called it Muling River, Molun River in Qing Dynasty and Mono River in early Republic of China. Busy cow river is the homonym of Mono River.
Dani River, a tributary of Mangniu River, originates from Zhenzhushan Township, the county seat, and consists of many gullies and branches, such as Jiguanlazi, Qinggoujiling and Weianshan. China's watershed area is 1 198 square kilometers, with a flow length of 62 kilometers and a river width of 35 meters, with an average annual flow of 3.48 seconds cubic meters. It flows into Mangniu River in Wuchang County through Laojieji Township and Sanyang Township.
Chong River and Mangniu River are tributaries, originating from the west slope of the old bald spot in the south of Zhushan Township, with a total length of 36 kilometers, a domestic flow of 29 kilometers, a width of 100 meter, a domestic drainage area of 526 square kilometers, an average annual flow of 40 seconds cubic meters, and rapid water potential. It flows into Mangniu River in Wuchang County through Sanshao River in Zhushan Township.
Baidu Encyclopedia-Lalin River