송화강, or the Songhua River, is a major river in northeastern China. It flows through Heilongjiang and Jilin provinces, eventually merging with the Northeast China Plain. The river is approximately 1,124 kilometers long and plays a crucial role in the region's ecology and economy. The Songhua River is known for its scenic beauty and is a vital water source for agriculture and industry. It supports various wildlife and is a popular spot for recreational activities. The river also has historical significance, as it has been a key transportation route for centuries.