石花洞又叫潜真洞，地处北京房山区西山深处，距市中心50公里。石花洞形成于七千万年前的造山运动。目前已发现此洞有7层，层层相连，洞洞相通。其规模与景观大于桂林的芦笛岩与七星岩，洞内钟乳石千姿百态，美不胜收，为北国极为罕见的地下溶洞奇观。
Located in Fangshan district, 50 kilometers away from Beijing downtown area, the Shihua (Stone Flower) Cave, formerly named Qian Zhen Cave, is one of the biggest caves in China. It is famous for its beautiful stalactites, stone curtains, stone piliars and stone flowers.