It's named after the hill, overlooking the town of Bosa, on which it was built by the ancient
Tuscany Malaspina family in the 13th century. It is on top of the hill of Serravalle, and it can be reached by a long, steep staircase. The first nucleus of the Serravalle Castle was built on the homonymous hill: the date of its construction, traditionally fixed in
1121 by the humanist and historian
Giovanni Francesco Fara is to be postponed, with the contribution of the excavations conducted by the archaeologist
Marco Milanese, around the second half of
13th century In the vast
Place-of-arms is located the small
church of Our Lady de Sos Regnos Altos, the palatine chapel of the castle. In the interior of the sanctuary there are series of frescoes dating from the 14th century. ==Notes==