The Castle of Avella is a place of historical interest located in Via Campopiano.
Also known as "Castello di San Michele", it was built by the Lombards in the seventh century. A.D. and boasts a strategic position: it dominates the access that connects Monteforte Irpino with the Sabato Valley and leads to Puglia and the Adriatic coast. The hill on which the Castle of Avella stands was also the scene of further and important archaeological finds: in fact, among its ruins, the famous "Cippus Abellanus", dating back to 150 BC, was found. approximately and currently kept at the Episcopal Seminary of Nola. It is an inscription in the Oscan language, bearing the agreement between Abella and Nola and concerning the land in the midst of which stood a common Temple of Heracles.
The fortress of the Castle, which occupies the top of the hill, is dominated by the monumental cylindrical tower, typical of Angevin architecture, and by the two imposing structures of the donjon, a particular type of defensive tower. At the base of the fortress, two walls surround the slopes of the hill. Within this area, the remains of numerous environments referable to residential structures are visible; among these, the only building preserved on an elevated level is a large rectangular cistern.
A fairytale destination silhouetted against unspoiled nature, the Castle of Avella is the emblem of the medieval past of the lower-country town.