(. Wal Coed Dduon) Blackwood is a town in southern Wales. It has about 23,000 inhabitants. The city was up to the closure of the last mine in 1990 a major center of the British mining. Over time, it is geographically largely merged with the neighboring towns Pontllanfraith, Cefn Fforest and Ynysddu. The Philantophist John Moggeridge planned the city in 1820 as a social reform model settlement similar to the plans of Robert Owen. In the early 20th century Blackwood was an important center of the Chartist movement.