The archaeological investigations begun in 1984 have brought to light a large tumulus (height 3.7 m, diameter 50 m), which had absorbed a more ancient one (with a diameter of 11 m), constructed of earth, chips of limestone, and pebbles. The older tumulus, datable to the early Iron Age (late ninth - eighth century BC), could belong to an important member of the local aristocracy. It continued to be used, almost without interruption until the late Republican period (second - first century BC). Today 207 tombs have been excavated, typologically differentiated and situated at different heights on the interior of the grand sepulchre. The funerary furnishings are composed of weapons, belt plates, bronze pottery, mirrors, strigils, terracotta unguentaria, and personal ornaments which help to characterize and differentiate the community which used this space.