Valentine's Valley (Xin'anjiang Tongguan Gorge) is located in Xin'anjiang Town, Jiande City, an excellent tourist city in China. It integrates Bihu Island, subtropical rain forest, karst valley, Qin-copper culture and love culture "five unique" into one. It is the main body of Xin'anjiang Forest Park. The main scenic spot is a high mountain, deep water, steep karst valley as the main content, with the characteristics of primitive, rough, wild and interesting. The total area of the scenic spot is 2.5 square kilometers, which is a newly developed scenic spot in 2002. Valentine's Valley (Tongguanxia) is only 5 kilometers from Xin'an River downtown area in the area of Jiande Qiandao Lake. It has the name of "the first Glen on the Bank of Xin'an River". It is an eco-tourism area that combines nature and humanity perfectly. It is mainly a deep and winding valley with primitive, rough, wild and interesting characteristics, more than 30 meters high pearl waterfall, covered with thick moss, known as "the first green waterfall in East China"; more than 2000 meters long karst streams, ups and downs, spring and waterfall alternation, forming the most strange karst Stream Landscape in Western Zhejiang.