Rhymney Valley
…the villages of Abertysswg, Fochriw, Hengoed, Pontlottyn, Tir-Phil, New Tredegar, Nelson, Rhymney, Llanbradach, and Machen, and the towns of Bargoed, Caerphilly, Ystrad Mynach and Aberbargoed. Created as a glacial valley, now the Rhymney River flows largely south from its source around the town of Rhymney to…