Torre Negra is a 12th-century fort built in 1145 in Catalonia, to defend the territories of Sant Cugat.
Torre Negra is a fortified building built in a strategic defensive position. The fort consists of three floors and an observation platform with arrow and cannon windows on some angles. Most of the structure is made of stone and most of its windows have iron bars.
Wikipedia https://en.wikipedia.org/wiki/Torre_Negra
Address Camí de la Torre Negra, 08173, Spain
Coordinates 41°27'54.485" N 2°6'2.79" E