Dinas Rhondda
…located in the lower Rhondda Valley about halfway between Treorchy and Pontypridd. Neighbouring settlements are Penygraig, Trealaw, Tonypandy, Cymmer and Porth. Dinas is the site of Dinas Lower (Dinas Isaf/Dinas Ishaf) Colliery, sunk by Walter Coffin in 1812 as the first deep coal mine in the Rhondda valley…