Benxi Water Cave is a large-scale underground river Karst caves that formed millions of years ago. Ii is the longest underground river in the world that can be visited by boat , which has ever been discovered in the world. Benxi Water Cave is located in the Taizi river bank which is 26 kilometers away from the eastern suburb of Benxi city.It is 124 degrees 5 minutes east longitude, latitude 40 degrees 18 minutes. It is divided into two caves ,a water one and a dry one. The entrance to the cave is face to the North and back on to the South. It is 16 meters high and 25 meters wide, to be a half-moon shape. It is the biggest entrance to the cave in the whole country. There are four hand-written words “Benxi Water Cave” which written by Bo Yibo on the top. The Water Cave is 5800 meters long, 2800 meters of which has been developed. The total area is 36 thousand square meters and the total space is 400 thousand cubic meters. The widest point of this water cave is 38 meter high and 50 meters wide. The fresh floating air and the never exhausted clear river inside the cave . Day and night flow is 14,000 tons, with an average water depth is 1.5 meters, deepest point is 7 meters, the constant temperature ?inside the is 12 ℃. You can visit it all the year round. On the top and two sides of the river are various shapes of stalactites , Along the river are more than 100 scenic spots , It is called the silver river with nine twists because of divided into “Three Gorges”, ”Seven Palaces" ?and ” Nine Twists”. It is as a fairyland when you visit it by boat .
     Benxi Waver Cave was accepted by the Internation Cave Association as the first Asian member in 1992. in 1994, wit became one of the national key scenic spots. In March of 2002, it was evaluated as the scenic spot with AAAA rate. In October of 2005, it was evaluated as one of “the six travel caves for the most beautiful” by the Magazine of Chinese Geography . It was the only one had been chosen in LiaoNing Province.In 2007, Benxi Water Cave was evaluated as “The ten scenic spots for the Most Potential ” by the Ministry of Construction . In 2005, Benxi is the first National Geological Park that named by administrative region . Benxi Water Cave as the main body of Geological Park?had also constructed Benxi Geological Museum and silicified wood park.