Ers dros 40 mlynedd, mae Rheilffordd Pont-y-pŵl a Blaenafon wedi bod yn diogelu rhan bwysig o dreftadaeth ddiwydiannol De Cymru. Wedi'i sefydlu ym 1983 gan grŵp brwdfrydig o wirfoddolwyr a... read more →
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