Oeste Towers is a castle in Catoira, Galicia, Spain. It is located at the head of the Ría de Arousa. It is in the region of Caldas, in the river Ulla estuary. The towers remaining today are the ruins of Castellum Honesti. Torres del Oeste has been declared a national monument.
In the 9th century, King Alfonso III of Leon built the castle as a defense against Viking attacks. The two remaining towers are from this period, and have a pre-Roman style. Pre-Roman ceramics and bronze tools have been discovered at the site.
Coordinates 42°40'35.561" N -8°43'32.262" E