At low tide, walk across the causeway at Marazion to visit St Michael’s Mount, then climb the hill to the wonderful castle.
Further afield are the castles defending the Carrick Roads at Falmouth, built by Henry VIII in the 16th Century. The castles are built either side of the estuary: Pendennis on one side, and St Mawes on the other.
Restormel is a ruined castle with high walls that can be walked around at the top, offering stunning views of the surrounding countryside. The castle was once owned by Edward the Black Prince in the 14th century.