Introduction to Haimen River: Haimen River is the outlet of Xingyun Lake, and the water from Xingyun Lake flows through it into Fuxian Lake. The river connecting the two lakes is also called Gehe, and is only over 2 kilometers long. Although it is a short river, both sides are full of famous mountains, rivers, strange rocks and caves. Haimen Park is built on the riverside and is a natural landscape in the Two Lakes Tourist Area, including "Haimen Fishing", "Wantai Fish Watching", "Gushan Yuanyuan", "Bokun Ancient Cave", "Bison Mountain", " There are novel and interesting attractions such as "Girl Rock" and "Jieyu Rock". There is also an ancient bridge on the Haimen River called "Haimen Bridge". It was built in the fourth year of Tianshun in the Ming Dynasty (AD 1460). It was the main road from Chengjiang Prefecture to Lin'an Prefecture in ancient times.