I still get a frisson walking across the narrow isthmus between Newborough Forest and Llandwyn Island along the path overlooking Bodorgan, to the ruins of St. Dwynwen which Clough Williams-Ellis proposed reconstructing:-

Up a small mound, one sees for the first time Twr Mawr, an early nineteenth-century lighthouse which has been disused at least since 1973:-

From which one can look across Caernarvon Bay towards the mountains of the Lleyn Peninsula:-