The Dagu River is a significant waterway located in China. It flows through the Tianjin region and is known for its role in local agriculture and transportation. The river is approximately 100 kilometers long and serves as a vital resource for irrigation and fishing activities in the surrounding areas. The Dagu River is also part of the larger Hai River system, which plays a crucial role in the hydrology of northern China. Its waters contribute to the ecological balance of the region and support various wildlife habitats along its banks. The river is essential for both the environment and the local economy.