Mountain Ash is a town (and also former area) in the Cynon Valley, within the Region District of Rhondda Cynon Taf, Wales. At the 2001 census, Mountain Ash had a population of 7,039 boosting to 7,374 at the 2011 Census. The Mountain Ash geographical location integrates and also includes the areas and also towns of Cefnpennar, Cwmpennar, Caegarw, Darranlas, Fernhill, Glenboi and Newtown. Mountain Ash lies within the historic county borders of Glamorgan. The town lies regarding 4.5 miles south of the town of Aberdare and roughly 19 miles northwest of Cardiff. The town as well as area of Penrhiwceiber lies around a mile south of Mountain Ash. From an administrative point of view, Mountain Ash is divided into two selecting wards: Mountain Ash West considers the community centre, along with the districts of Miskin, Darranlas, Fernhill and Glenboi; Mountain Ash East makes up the staying areas of Cefnpennar, Cwmpennar, Caegarw and also Newtown.