Longquan is a county-level city and former county situated in the southwestern region of Zhejiang Province, China. It falls under the administration of the prefecture-level city of Lishui and is geographically positioned on the upper reaches of the Ou River.
The city borders Fujian province to its southwest. While it shares a name with other locations, this specific Longquan is defined by its administrative status within Zhejiang and its proximity to the provincial border.