A series of occasional findings, during road works at La Polla, at the foot of Mount Altissimo, has consented the retrieval of material showing the existence of scattered Ligurian settlements in the area. Most of this material consists of pottery, among which fragments of so called Graeco-italic wine amphorae
: they actually came from Campania and Latium and were sold to the Ligurian populations by the Etruscan centres on the coast. The existence of trade relations is further confirmed by the finding of a Roman bronze coin of the IIIrd
century b.C.. The settlements of Mount Altissimo, referable to the IIIrd
centuries b.C., together with those that occupied the surrounding range of the Apuan Alps, must have formed a high, fortified, defensive line controlling the Versilia plain and the passes connecting the two sides of the Apuans; this line was particularly important during the direct confrontation with the Roman army.