The Three Natural Bridges () are a series of natural limestone bridges located in Xiannüshan Town (), Wulong District, Chongqing Municipality, China. They lie within the Wulong Karst National Geology Park, itself a part of the South China Karst-Wulong Karst UNESCO World Heritage Site. In Chinese, the bridges are all named after dragons, namely Tianlong () Qinglong () and Heilong ().
Spanning the Yangshui River, a tributary of the Wu River, the bridges are at the centre of a conservation area which also includes:
Given that the distance between the upper end of the Tianlong Bridge and the lower end of the Heilong Bridge is only , these are not the longest natural bridges. Between the bridges lie the Qinglong and Shenying tiankengs which have a depth of 276âÂÂ285 metres and a circumference of 300âÂÂ522 metres.