Slate Museum, Llechwedd Slate Caverns, Talywaenydd, Blaenau Ffestiniog, Gwynedd, LL41 3NB
Rhyddhau amodau 3 (llechi), 4 (gorffeniad allanol) a 7 (Cynllun Trafnidiaeth Adeiladu) ar ganiatad cynllunio C23/0329/03/LL Discharge conditions 3 (slates), 4 (external finish) and 7 (Construction Traffic Management Plan) on planning permission C23/0329/03/LL