Situated on an important way of communication that brought to the ancient city of Libarna, it rose around a watchtower: the so-called Tower of Gazzolo, today encompassed in the castle.

A property of the Obertenghi family,it passed in 1313 in fief to the Spinola di Luccoli due to a disposition of emperor Henry VII .

In the 16th century it passed to the Genoese Doria family as an imperial fief until 1732 when it became property of the Savoy kings.

The castle of the Spinola is built from a complex of buildings hedged by walls, in which the parochial church is comprised.

To the west of the castle, the Casa Lunga (long house), building of the 15th century, today are used like building of representation of the comune (municipality), whereas to east the foresteria (guest quarters) is situated, a time connected through a passage to the nail head of the parochial church.