According to the local legend gianat lived in there. Dolmen dates to ca 3000 BC.
See:
- Francesco Benozzo, Sounds of the Silent Cave. An Ethnophilological Perspective on Prehistoric “incubatio” - http://www.continuitas.org/texts/benozzo_sounds.pdf
- https://co.wikipedia.org/wiki/Casa_di_l%27Orcu
- https://hal.archives-ouvertes.fr/hal-00183310/document
- Jean-Fran ̧cois Santucci, Ghjasippina Thury-Bouvet, El Hadi Khoumeri, Antoine Ottavi. Leg-ends, Megaliths And Astronomy In Corsica Island. EIM 2004 (Environnement Identit ́es enM ́editerran ́ee, 2004, Corte, France. -https://hal.archives-ouvertes.fr/hal-00183310/document