Longquan is a county-level city in Zhejiang Province, China, administered by the prefecture-level city of Lishui. It lies in the southwestern part of the province, on the upper reaches of the Ou River, and borders Fujian province to the southwest. It was formerly a county before being upgraded to county-level city status.
The city's position on the upper Ou River places it within the mountainous terrain of southwestern Zhejiang, near the provincial boundary with Fujian. This location has historically linked it to the broader Lishui region rather than to the coastal cities of Zhejiang.
Longquan is best known for Longquan celadon, a type of green-glazed stoneware that has been produced in the area for centuries and is regarded as one of China's classic ceramic traditions. The city is also associated with the making of traditional Chinese swords, and both crafts remain part of its modern identity.