Introduction to Jiamen River: Jiamen River, also known as Yuquan River, is located in Dongyan Township. The scenic area is 10.8 kilometers long, with winding and clear streams, towering peaks on both sides, and gorgeous flowers and plants. The scenic spot consists of Dongkeng Ancient Trail, Maple Ridge, Zhentu Lake, Couple Maple and other scenic spots, covering an area of ​​8.63 square kilometers.