Nanhe River in the northeast of China. It flows through Hebei, Inner Mongolia, Jilin and Liaoning provinces and joins the Bohai Sea in Panshan County, Liaoning Province. Length 1, 430 km. The upper reaches of Liaohe River are divided into east branch and west branch. Dongliao River originated near Hadaling, Liaoyuan City, Jilin Province. The water flows out of the cave and enters the Sanjiangkou Liaoning Province through the eastern mountainous hills, with a total length of 383 kilometers.
There are two sources of Xiliaohe River: one comes from Guangtouling, Pingquan County, Hebei Province, and flows into Ningcheng County, Inner Mongolia Autonomous Region, which is called Laoha River, with a total length of 873 kilometers; The other source comes from Baicha Mountain in Keshiketeng Banner, Inner Mongolia, which is called Xilamulun River, with a total length of 380 kilometers.
Laoha River and Xilamulun River meet at Sujiabao in Zhelimu League, which is called Xiliaohe River. Xiliaohe River is 449 kilometers long and flows from east to south in Shuangliao County, Jilin Province. Fudian, Changtu County, Liaoning Province, is called Liaohe River after it joins the Dongliao River.
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Xiliaohe River Basin is located at the angle between the southeast foot of Daxing 'anling and the northern foot of Yanshan Mountain, and generally lies between east longitude 1 17 ~ 123 and north latitude 4 1 ~ 45. Geographically, China is a triangle connecting the Northeast Plain, the North China Plain and the Mongolian Plateau, and it is also a crisscross zone between the farming areas in the Central Plains and the nomadic areas in the north.
Worldwide, the West Liaohe River region belongs to the eastern end of the southern edge of the grassland passage in Eurasia, bordering on the west coast of the North Pacific Ocean. This special and important geographical location means that the ancient Xiliaohe region is in the transportation hub connecting the north and south of China and the east and west of the world, so it has become one of the centers where various economic types are intertwined, ethnic groups live together and cultural factors gather. This is why the West Liaohe River region in history can produce an excellent culture full of vitality and creativity, thus becoming an important source of ancient northern culture in China.