Sanjiang () is a town of Daozhen Gelao and Miao Autonomous County, in northern Guizhou province, China, located south-southwest of the county seat. , it has four villages under its administration. As of the 2018, census it had a population of 15,000 and an area of .
As of 2016, the town is divided into four villages:
The town is situated at southern Daozhen Gelao and Miao Autonomous County. It borders Shangba Tujia Ethnic Township in the northeast, Pingmu Town in the northwest, Longxing Town in the east, and Zheng'an County in the west and south.
The principal industries in the town are agriculture, forestry and mineral resources. Commercial crops include peach and orange. The region abounds with coal, iron and asbestos.
The Fairy Cave () is a popular attraction in the town.
The Dreamland Stone Forest () is a well known tourist spot, famous for its strange stones.
The G69 YinchuanâÂÂBaise Expressway passes across the town north to south.