The Taff Bargoed Valley is a river valley near Pontypridd in South Wales, and lies off the Abercynon roundabout on the A470 road, and is approximately 14 miles from Cardiff. The main settlements are Nelson, Edwardsville, Quakers Yard, Treharris, Trelewis, and Bedlinog. The valley is situated where the three County Boroughs of Caerphilly, Rhondda Cynon Taff, and Merthyr Tydfil meet.