The castle is perched on a rugged spur of rock, from which it dominates the plain of the Upper Garda. Of the ancient fortress, the towers remained intact, part of the walls and some buildings in ruins, which suffered numerous assaults over the centuries. The last was that of the French troops in August 1703, while the succession war to the throne of Spain was being fought. Torre Grande, whose walls are decorated with a splendid series of 14th century profane frescoes depicting ladies playing chess.