The prenuraghic site of Cuccuru Is Arrius, discovered during the excavations in the drainage channel, is situated along the western banks of the Cabras Lagoon. The site includes a necropolis and different settlements dating back to the Neolithic Age, the Chalcolithic Age, the Punic Age, of a temple with nuraghic well where there was an annexed cultural area dating back to the late Republican period, and finally a Roman-Imperial necropolis.