Originally the castle belonged to Opizzone della Pietra, then it passed to the Spinola family to counter Genoa and the Sforza family of Milan. In 1518 it was inherited by …
The Strette sul Borbera torrent - also called Strette di Pertuso or simply "Le Strette" - are a splendid gorge carved by the river. The panoramic road is several kilometers long and connects Cantalupo Ligure and Borghetto di Borbera.
At this point, the trees thin out and the gullies are exposed. They add a very special element to the landscape. Badlands are not that common, so this point in particular is worth noting.
1667 meters high, it is a mountain in the Ligurian Apennines, located on the watershed between the Curone and Borbera valleys, in the province of Alessandria.