Mountain Ash is a town (and also former community) in the Cynon Valley, within the Area Borough 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 area integrates as well as includes the districts and also towns of Cefnpennar, Cwmpennar, Caegarw, Darranlas, Fernhill, Glenboi and also Newtown. Mountain Ash lies within the historical county boundaries of Glamorgan. The town exists concerning 4.5 miles south of the town of Aberdare as well as about 19 miles northwest of Cardiff. The village and area of Penrhiwceiber lies around a mile south of Mountain Ash. From an administrative perspective, Mountain Ash is split right into two selecting wards: Mountain Ash West considers the town centre, together with the districts of Miskin, Darranlas, Fernhill and also Glenboi; Mountain Ash East comprises the remaining areas of Cefnpennar, Cwmpennar, Caegarw as well as Newtown.