Mynydd Drws-y-Coed, Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
Group of quartz crystals from the quartz veins that outcrop on the hillside of Mynydd Drws-y-coed.
© Ian Jones
Drws-y-Coed Mine, Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
One of the main levels is behind the prominent dump near the centre of the view, and is still open. Lesser workings are visible up the hillside above. More are present on the side of the valley this picture was taken, but are not visible in this photo. Beware there are deep unprotected shafts in this side of the valley. Photo taken Friday 3 ...
© Dr Stephen Moreton