The Breno castle rises on a hill overlooking the town: the building was erected at the time of Frederick I “Barbarossa” (1100 - 1200), then turned into a military stronghold at the time of the Venetian Republic (1400-1500) and finally, after being abandoned in 1598, it was reused as a stone quarry. The castle however rises on a much more ancient site: probably the place where in the 10th-9th century b.c.e. a prehistoric community settled. You can reach the castle with a short walk (about 15 minutes) from the centre of Breno: the perimeter is closed by a battlemented boundary wall and by two towers. Inside you can admire the remains of the St. Michele church, of Longobard origin, then enlarged in the Romanesque period. The other buildings, the only remains of which are mostly the outside walls and the cellars with barrel vaults, were added during the Venetian reign.