The principal ironworks were built by the British Iron Company in 1825; the works passed to the New British Iron Company in 1843 and to the Ebbw Vale Company in 1852, before closing in 1889.
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The nearest railway stations to Abersychan are Pontypool & New Inn (3 miles), Llanhilleth (3.5 miles) and Abergavenny (7 miles).