Tredegar is a town in the county borough of Blaenau Gwent, lying on the River Sirhowy in the Sirhowy Valley within the historic boundaries of Monmouthshire in south east Wales. The historic Tredegar Iron Works in Richmond, Virginia, United States was named in honour of the town. Early history In 1778 an iron furnace was built in Sirhowy by Thomas Atkinson and William Barrow who came to the area from London. Fuel was needed for the furnace so men were employed to dig coal at Bryn Bach and Nanty… (More on Tredegar)