The Yangtze River and the Yellow River are the two most famous rivers in China, and also have a very long history, the Yangtze River is the longest river in Asia, the largest river in the world in water energy, the source is the "roof of the world" Qinghai-Tibet Plateau, the impact on China has a long history.
As for the Yellow River, as early as ancient times, the original manifestations in China were active in the Central Plains of the Yellow River Basin, and Chinese civilization also appeared and passed on here, so the Yellow River is also called the "Mother River", and there is a river in China, which is larger than the Yangtze River, the amount of water is 7 times that of the Yellow River, but the name is rarely mentioned.
Heilongjiang River, in ancient times, China called it called feather water, black water, bath water, etc., the Tang Dynasty called "Wangjian River", the early Qing Dynasty called "Sakhalian Ula", In Manchu, "Sakhalian" means "black", "Ula" means "river", so the Qing Dynasty also called "Wujiang", "Wulongjiang".
The name "Heilongjiang" originates from the Liao Dynasty, "LiaoShi Daozong Benji": "Taikang three years of spring and the first month of the ugly, such as the Mixed Tong River (that is, songhua river). Summer april, rafting in Heilongjiang. The local chronicle records: "Heilongjiang water is black, like a dragon, so it is named Heilongjiang."
Heilongjiang was originally China's inland river, is the third largest river after the Yangtze River, the Yellow River, during the Qing Dynasty, the Sino-Russian Treaty of Yaohun and the Treaty of Beijing, the upper and middle reaches of the river as the border between China and Russia, in 2004 the final boundary agreement between China and Russia, with the Heilongjiang River as the basic boundary demarcated.
Today, Heilongjiang is the world's largest international boundary river, the basin includes China, Russia, Mongolia, North Korea four countries, 15 first-level administrative regions, the source area of the river is the Mongolian steppe, larger than the Yangtze River, the amount of water is 7 times that of the Yellow River.
Heilongjiang has two sources, north and south, with the southern source of the Erguna River as the source of the river, a total length of 4440 kilometers, the Erguna River originates in the Inner Mongolia Autonomous Region, in the Tang Dynasty called "Wangjian River", the "Mongolian Secret History" called the Ergune River, the "Yuan History" said that the YeliGuna River, the Ming Dynasty called "Aru So Lian", to the Qing Dynasty and had an "Erguna River" name. The total length of the Heilongjiang River is about 5498 km with the Krulun River as the source.
The main stream of the Heilongjiang River starts at the confluence of the Shileka River and the Erguna River, and the Shileka River originates inland for more than 547 kilometers inland at the confluence of the Yingoda River in Siberia and the Onnen River in Mongolia; while the main stream of the Heilongjiang River has many islands formed by the impact of the river, the more famous is the "Black Blind Island", that is, the Fuyuan Delta.
In addition, along the Heilongjiang River has been rich in sand gold, many people have come to visit, and the Heihe River below the navigable large river ship of more than 1,000 tons, is China's rare inland deep-water waterway, Heihe Port is also China's largest port on the Heilongjiang, is an important port for economic and cultural exchanges between China and the Soviet Union.