To the south-east of the nuraghe Perda Arrubia are the remains of a tomb of the giants, of about 20 meters in its external length.
See:
- http://www.oristanosardegna.eu/index.php/comuni-della-provincia-di-oristano/154-samugheo
- Tharros.info: Elenco dei Nuraghi: 2767
- http://www.sardegnacultura.it/documenti/7_49_20060511105743.pdf