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松花江流域位于我國东北地区北半部,介于东經119°50′至130°31′,北緯41°42′至51°38′之间;流域面積約545,648平方公里,河流总長1,960公里。松花江是中苏友誼河流——黑龍江的主要支流之一,占黑龍江流域面積的百分之三十。松花江流域西部和北部为大、小兴安嶺与额尔古纳河和黑龙江分界;东部及东南部为完达山脉、龍崗山脉、長白山脉与烏苏里江、圖們江、鸭綠江
The Songhua River Basin is located in the northern half of the northeastern region of our country, ranging from 119 ° 50 ’to 130 ° 31’ E longitude and 41 ° 42 ’to 51 ° 38’ N; the basin covers an area of 545,648 square kilometers and the river has a total length of 1,960 kilometers . The Songhua River is one of the major tributaries of Heilongjiang, a friendship river between China and the Soviet Union, accounting for 30% of the Heilongjiang River Basin. The west and north of the Songhua River Basin are the large and small Xingan Mountains and the boundaries between the Erguna and Heilongjiang provinces. The eastern and southeastern parts of the Songhua River Basin are the Wandashan Mountains, the Longgang Mountains, the Changbai Mountains and the Wusuli River, the Tumen River and the Yalu River