The Daba Mountains, also known by their Chinese name as the Dabashan, are a mountain range in Central China between the watersheds of the Yellow and Yangtze Rivers. Part of the larger Qinling mountain range, it cuts through four provinces: Sichuan, Chongqing, Shaanxi, and Hubei. It is about 1,000 kilometers (620 mi) long.

Sichuan is a province in Southwestern China occupying the Sichuan Basin and Tibetan Plateau between the Jinsha River on the west, the Daba Mountains in the north and the Yungui Plateau to the south. Sichuan's capital city is Chengdu; its population stands at 83 million. Sichuan neighbors Qinghai to the northwest, Gansu to the north, Shaanxi to the northeast, Chongqing to the east, Guizhou to the southeast, Yunnan to the south, and Tibet to the west.