Nenjiang River is a perennial river, which is also one of the major rivers of Qiqihar. It's originated from the southeast slop of Mountain Yilehuli in the northwestern part of Heilongjiang between the Greater Xing'an Mountains and the Lesser Xing'an Mountains.
The altitude of the headstream is 1,030m, which flows south across the Greater Xing'an Mountains Area, Nenjiang County, Molidawa Banner, Nehe City, Gannan County, Fuyu County, Qiqihar City, Tailai County, Longjiang County, Zhalaite County and Zhaoyuan County and merges into Songhuajiang River at Sanchahe River in Zhaoyuan County of Jilin Province. The total length of the river is 1,370km, with drainage area of 282,748k㎡. The height difference between the headstream and the river is 902m. The river has more than 20 branches altogether. According to the record of Heilongjiang Pictorial Illustration, Nenjiang River is Nuoni River in Mongolian, which was translated by the pronunciation of Naowenjiang, means favorable green river, which obtains its name for its upper reaches flowing through valleys with clear and green water. Nenjiang River flows through Qiqihar City from the northeast to the southwest at Pig Stomach Bay, Jubao Township, Gannan County, and flows out of the city at west of Duanyufangzi of Fularji District. The total length of Nenjiang River in the territory of Qiqihar City is 146 km, the average river width is 782m, which could be 6.5km during flood period; the depth of the river is 2-4m, the average velocity of flow is 1-1.2m/s and the maximal velocity of flow is 2.6-3m/s. The yearly average flow of the river is 672-cubic-meter per second during high flow period and the average flow of the river is 286-cubic-meter per second during the low flow period. The average water level of the river is 144m. The frozen period of the river is from the mid of November to mid of April of the next year, which is approximately 153 days, the ice depth at the river center is 1.1-1.5m, and vehicles could run across the river on ice. Nenjiang River is prolific in aquatic products and rich in fishes. Zhurjin, Xinjiang Village and Fularji embankments are important facilities to connect both banks of Nenjiang River. |