Parys Mountain Copper Mines (pits, opencast and spoil areas)
English â CofleinDescription This is the largest of the North Wales copper mines where mining appears to have been carried out over a long period though the visible remains date largely from the eighteenth century onwards. The site is dominated by two large opencast pits https://coflein.gov.uk/en/site/33752/details/parys-mountain-copper-mines-amlwch