Tower of l'Arboçar de Baix Monument · Avinyonet del Penedès, Alt Penedès, Barcelona A circular watchtower built around the year 1000 on the left bank of the torrent de l'Arboçar, in the south-western sector of the municipal area and within the sphere of influence of Olèrdola: about thirteen metres high, walls 1.70 metres thick, a domed top, and a door opened six metres above the ground with a monolithic lintel and a relieving arch of thirteen voussoirs. The "quadra" of l'Arboçar is recorded from the mid-11th century, and in 1119 the tower was the property of the count of Foix. It is declared an Asset of National Cultural Interest. Photo: MARIA ROSA FERRE ✿ (CC BY-SA 2.0) What to see and do in Avinyonet del Penedès