Weiyuan County is a county in Gansu province, China. It is under the administration of the prefecture-level city of Dingxi. Its postal code is 748200, and its population in 2018 was 345,000 people. The county is named for being where the source of the Wei River is located. Potatoes and traditional Chinese medicinal herbs such as Codonopsis, Angelica, Rhododendron and Astragalus form an important part of agricultural output. Furthermore, 485 kinds of wild Chinese herbal medicines are harvested. Weiyuan has a long history with 49 ancient cultural sites in the county, including neolithic sites, a Ming Dynasty wooden bridge, and a section of the Qin dynasty Great Wall.

Administrative divisions

Weiyuan County is divided to 12 towns and 4 townships.

Climate

Transport

Weiyuan is served by Weiyuan railway station on the Lanzhou–Chongqing railway. The Lanzhou–Haikou Expressway (G75), China National Highway 212, 310 and 316 pass through the county.