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Ynys y Fydlyn Coastal Promontory Fort.  Roundhouse remain on western islet. View looking north east with scale.Further Information
NPRNTitleType Of SiteCollectionsImages
NPRN54410TitleYnys y Fydlyn, Coastal Promontory Fort or defended isletType Of SitePROMONTORY FORTCollections51Images48