Shanjuan Cave is a famous limestone cave situated on Luoyan Mountain, 25 kilometers (15.53 miles) away from southwestern Yixing, Jiangsu Province. It is the oddest among the "three odd caves" in the area and the other two are Zhanggong Cave and Linggu Cave.
Inside Shanjuan Cave is a world of stalactites, stone pillars and rock formations. It is about 800 meters (0.5 miles) in length and covers an area of 5,000 square meters (0.5 hectares), and could accommodate more than 1,000 people. The cave is illuminated by colored lighting. It has a temperature of about 23℃ (73.4℉) all year round.