St Catherine's Castle
Open accessfree to visit at any reasonable time
Substantial ruinsruined, but plenty survives above ground
St Catherine's Castle is one of 26 castles the Albion Guide charts in Cornwall. The surrounding countryside is part of Cornwall National Landscape National Landscape. Polruan Blockhouse and Fowey Blockhouse are among the castles within 0.5 km. The closest station is Par, 5.2 km to the north-west.
More at the National Heritage List entry