the moelwyns and wrysgan slate quarry

wrysgan cwmorthin slate quarry craig wyrsgan moel hyd moelwyns moelwyn bach mawr building buildings structure structures disused disuse unused abandonded abandonment derelict mountains mountain mountainous lake llyn water quarrying mining industry waste tips spoil heaps industrial snowdonia national park gwynedd north wales view scene scenic scenery vista panorama landscape terrain hiking destination tourism popular adventure outside leisure hike active history historic historical old looking valley place hikers explore