Castles and ruins in Cornwall

Cornwall’s rugged coastline and rolling hills are home to a diverse collection of fortifications spanning over a millennium. This list features legendary sites like Tintagel Castle, associated with King Arthur, and the tidal island fortress of St Michael’s Mount. It includes Henrician artillery forts like St Mawes and St Catherine's, designed for coastal defense, alongside well-preserved Norman ruins such as Restormel and Launceston. Beyond military structures, the collection highlights historic estates like Mount Edgcumbe and Port Eliot, showcasing centuries of architectural evolution and landscape design.