Llanbedrgoch, Ynys Dryyll 853-854 AD Llanbedrgoch, Ynys Dryyll 853-854 ADAlun peered over the wooden ramparts to the bay that provided natural shelter but vulnerability from the sea. The position of Llanbedrgoch made it equally a target for merchants travelling between north-west Angleland and Dublin, which from here was but fifty-six nautical miles across the Irish Sea. The Baron of Gonwys’s eyes lingered momentarily on the salt marshes on one side of the bay before sweeping to the limey dunes on the other. There was much to admire here, not least the solid stone wall under his feet. King Rhodri’s concern for this strategic farming settlement manifested itself in the eight-foot-wide and nine-foot-high stone girdle constructed on the inside edge of the previous enclosure ditch, making it