'copper river') is a prefecture-level city located in central Shaanxi province, People's Republic of China on the southern fringe of the Loess Plateau that defines the northern half of the province (Shanbei) and the northern reaches of the Guanzhong Plain.

Farm products include apples, hot peppers, Chinese prickly ash, garlic, flue-cured tobacco, walnuts and precious Chinese medicine herbs.

Tongchuan city currently comprises 3 administrative county-level subdivisions including 3 district and 1 county.

There are the ruins of the Yaozhou Kiln, the remains of Yuhua Palace, and many rare historical relics.

The Forest of Stone Sculptures on Yaowang Mountain is a major historical relic under state protection.