sentences:  On 21 February 1804 Richard Trevithick ran the first ever steam locomotive along tracks, now known as the Merthyr Tramroad, carrying both iron ore and passengers, from Penydarren near Merthyr Tydfil, via Pontygwaith, south to Abercynon.There is little of the original village remaining today, which was inhabited and existed until approx 1977 as a terrace of ten houses and a farm.The site of the original village is accessible from the Taff Trail National cycle route 8.