The abbey was founded in 1124 when Renier Marques of Monferraro provided an exstenive lot of land known as Locez. It is believed that for many years the abbey was a place where many murders were carried out an lots of people were tortured. After the abbey was secularized in 1784, it had many dfferent owners and uses including Napoleon Bonaparte who gave it to Camillo Borghese in exchange for a large amount of artwork.Today the building is incorporated into a rice farm.

The paranormal activity reported at the abbey is, a column that is said to get wet from weeping because of the horrors it as witnessed, under the church there is a crypt where the abbots were buried and that they were buried there to guard something that is evil, and this evil presence can be strongly felt by those that enter the crypt, also there is sometimes a strange fog that mysteriously appears and rises in the Prinipato building and tower.