dinorwic slate quarry and elidir fawr

boulder boulders cloud clouds cloudy crag craggy dinorwic dinorwig elidir fawr foel goch gwynedd highland hill hills hilly industrial industry landscape mine mining mountain mountainous mountains national north outcrop overcast panorama park peak peaks quarry quarrying rock rocks rocky scene scenery scenic slate snowdonia stone stones stony summit terrain tips upland view vista wales waste