The Rocca Borromeo di Angera, also called Borromeo Castle, is a castle that stands on a lakeside hilltop in the limits of the town of Angera on the shores of Lago Maggiore. It is visible from across the lake from Arona, where originally stood another castle formerly owned by the Borromeo family.
Before 1227, the castle belonged to the Della Torre family, who lost the possession to the Visconti after the Battle of Desio (1277). In 1449, it passed into the ownership of the Borromeo family. It once belonged to the Visconti family, beginning with Bernabò Visconti and his wife, Beatrice della Scala. but it was purchased by the Borromeo family who expanded and refurbished the castle over the centuries. It still belongs to the Borromeo family. It is best known for it Hall of Justice (Sala di Giustizia) which still contains its original late 13th century depicting the victory of Ottone Visconti, archbishop of Milan, at the Battle of Desio. The castle suffered damage during bombardment in the second world war.
The castle also contains a Museo della Bambola (Doll Museum), founded in 1988 by the wish of Princess Bona Borromeo Arese, and displays over a thousand dolls made between the 18th century and the present day.
References:Sigmaringen Castle was first mentioned in the year 1077 in the chronicles of Petershausen monastery. The oldest parts of the castle are concealed beneath the alterations made during the 17th and the 19th centuries. The secret of the earliest settlement built on this defendable rock will never be fully revealed: large-scale excavation work would be necessary, which the extensive land development renders impossible. Judging from the many Roman remains unearthed in the area around Sigmaringen, the 12th century keep known as the 'Roman Tower' could be traced back to a Roman predecessor.
The castle remains that have been preserved (gate, great hall and keep) date back to the Staufer period around 1200. The castle remains were integrated into subsequent buildings. The foundations of the castle buildings are to a large extent identical to the surrounding castle wall.
These remains give us a good idea of how the castle might have looked during the 12th century.