Wenruitang River is located in Wen Rui Plain, south of Oujiang River and north of Feiyun River. It is a very important water system in our city, which is under the jurisdiction of Lucheng, Ouhai, Longwan and Ruian. The water sources mainly come from Quxi, Xiong Xi, Guoxi (commonly known as Sanxi) and the mountain streams of Luoda Mountain and Jiyun Mountain. The whole basin covers an area of 740 square kilometers, the water surface area is 22 square kilometers, the irrigation area is 482,000 mu, the average annual rainfall is 1.694 mm, and the annual runoff is 9 1.3 million cubic meters. When the total length of the river network is1178.4km and Wusong elevation is 5m, the corresponding water storage capacity is 65 million cubic meters. The Wenruitang River was dug manually in the Eastern Jin Dynasty, dredged on a large scale in the years of Tang Dahe and Huichang, and the sacred tree was built in the Southern Song Dynasty, forming the "Eighty-mile Lotus Pond", which is an important symbol of Wenzhou's landscape city characteristics. The main channel of Wenruitang River was called Nantang River in ancient times and Qiputang River in Ming and Qing Dynasties. It starts from Xiaonanmen Yuejin Bridge in Lucheng District in the north, flows through wudan, Baixiang, Fanyou, Hekoutang, Tangxia, Xincheng and Jiuli in the south, and reaches Baiyan Bridge in the east gate of Ruian City in the west, with a total length of 33.85 kilometers. At normal water level, the width of the river is generally 50 meters, and the widest point is 200 meters. The criss-crossing water system of Wenruitang River plays a very important role in flood control, drainage, water supply, shipping, irrigation, landscape and ecological environment protection in our city, especially in the economic and social development of Wen Rui Plain, which is called "mother river" by Wenzhou people.

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