La Torre Negra is a magnificent Romanic Masia located in the heart of the Serra de Collserola, in the municipality of Sant Cugat del Vallès, a few kilometers to Barcelona capital. Cataloged as an architectural heritage of Catalonia, its origin dates back to the 12th Century when it was created as a fortress to defend the territorial area of the monastery of Sant Cugat. It was rebuilt between the 14th and fifte15th centuries. The Black Tower owes its current name to its dark stone walls. Built in a square plant, it a three-story building with a tower and a central patio in its interior. Its exterior stone walls, twin gothic windows, a half-point arch in main access door, sloping roof with Arabian tile, coffered ceilings, stand out.The 903sqm property has three hectares of adjacent land. Distribution: Ground floor: Lobby with an inner central courtyard, five rooms. First floor: Hall, living room, four bedrooms, kitchen, bathroom, two offices, a chapel, and a separate apartment. Ground floor: hall, seven rooms, a terrace, access to the tower. Currently, the property has a residential use but offers the possibility of changing the use to rural tourism, hotel, educational, cultural and environmental establishment. The surface is 10% expendable as long as the ordinance applicable to the patrimonial set is respected. Unique historical building well preserved structurally. Ground floor and low-covered to rehabilitate inside.