Richard Wyn Huws Gwinllan PANT DU Pant Du Hen Lon PENYGROES Gwynnedd LL54 6PY Cymru |
Vines |
The Nantlle Vale was best known for slate mining, and industry that dated back to Roman times and which, at its zenith, produced over 450,000 tons a year.The Cilgwyn quarry on the slopes of Mynydd y Cilgwyn dates from the 12th century, and is thought to be the oldest in Wales, producing the distinctive local green slate.The last quarry to close, Penyrorsedd quarry closed in 1997 but is currently being developed as a heritage site, sponsered by Bangor University. |