Wulong national karst park is located approximately 155 mile 250 km to the south east of chongqing wulong karst landscape is an amazing natural treasure it is a cluster of several karst formations consisting of gorges natural bridges caves eroded dolines shafts and underground streams these karst land forms were created in carbonated rocks vividly recording the development and evolution of karst terrain in the three gorges area since pleistocene era lotus cave three natural bridges