The Fort de Bellegarde is a 17th-century bastion fortification located above the town of Le Perthus, in the Pyrénées-Orientales département of southern France.
Wikipedia https://en.wikipedia.org/wiki/Fort_de_Bellegarde
Address (Unnamed Road), 66480, France
Coordinates 42°27'15.876" N 2°51'24.954" E