The Dalou Mountains
The Dalou Mountains (} are a range of limestone

Limestone

Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate . Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera....

 mountains running 300 kilometres (186.4 mi) north east to south west across the Yunnan-Guizhou Plateau spanning Guizhou

Guizhou

' is a province of the People's Republic of China located in the southwestern part of the country. Its provincial capital city is Guiyang.- History :...

 and Sichuan

Sichuan

' , known formerly in the West by its postal map spellings of Szechwan or Szechuan is a province in Southwest China with its capital in Chengdu...

 Provinces, People's Republic of China. At 2251 metres (7,385.2 ft), Mount Jinfo

Mount Jinfo

Jinfo Shan , the highest peak of Dalou Mountains, located in the upper reach of the Yangtze River, is situated in Nanchuan District, the Municipality of Chongqing. Jinfo Shan is an isolated mountain with cliffs up to 300 m surrounding its relatively flat top...

 (金佛山) in Nanchuan District, Chongqing is the highest peak in a range that is also the watershed between the Wu

Wu River (Yangtze River)

Wu Jiang , known also as Wu River, is the largest southern tributary of the Yangtze River. Nearly its entire length of runs within the mountainous and ethnically diverse region of Guizhou.-Course:...

 and Chiahui

Chishui River (Shaanxi)

The Chishui River is a river in China. It is a tributary of the Wei River. It is located near the town of Chishui , in Hua County, under the jurisdiction of Weinan, in the northwestern province of Shaanxi....

rivers.