Borgo Fornari Castle, Medieval castle in Ronco Scrivia, Italy.

Borgo Fornari Castle is a medieval stone ruin positioned on elevated terrain in the Ligurian countryside near Genoa. The site features defensive walls and a central tower that still define its physical form today.

The castle was built between 1121 and 1182 on a hill above the road linking the Scrivia valley to the Genoese fief of Voltaggio. It passed to the Spinola family and later became a point of contention between the Spinola and Doria. In the 15th century it was contested by the Spinola and the Republic of Genoa; by the peace accords of May 1419, Filippo Maria Visconti handed it to Pope Martin V.

The name traces back to the Fornari family, who controlled and shaped the property across generations as local landholders. Walking through the ruins reveals how noble families of this region demonstrated power and status through their fortified homes.

The ruins can be reached by following signs to Ronco Scrivia and then taking local roads through Borgo Fornari village. The site is open to walk around, though you should watch for uneven ground and partially unstable stone structures.

The west wall is the only surviving stretch of its kind in the Scrivia valley, and the semicircular brick tower is judged by historians to be older than the rest of the masonry. The lower courses are stone, the upper ones brick.