Mountain Ash, Rhondda Cynon Taf

Mountain Ash Welsh: Aberpennar
Mountain Ash Town Hall
Mountain Ash Location within Rhondda Cynon Taf
Population	11,230 (2011)
OS grid reference	ST025915
Community	Mountain Ash East Mountain Ash West
Principal area	Rhondda Cynon Taf
Preserved county	Mid Glamorgan
Country	Wales
Sovereign state	United Kingdom
Post town	MOUNTAIN ASH
Postcode district	CF45
Dialling code	01443
Police	South Wales
Fire	South Wales
Ambulance	Welsh
UK Parliament	Cynon Valley
Senedd Cymru – Welsh Parliament	Cynon Valley
List of places UK Wales Rhondda Cynon Taf 51°40′53″N 3°22′45″W / 51.68139°N 3.37916°W / 51.68139; -3.37916

Mountain Ash (Welsh: Aberpennar) is a town and former community in the Cynon Valley, within the County Borough of Rhondda Cynon Taf, Wales, with a population of 11,230 at the 2011 Census, estimated in 2019 at 11,339.^[1] It includes the districts and villages of Cefnpennar, Cwmpennar, Caegarw, Darranlas, Fernhill, Glenboi and Newtown, all within the historic county boundaries of Glamorgan. Aberdare lies about 4.5 miles (7.2 km) north-west, Cardiff 19 miles (31 km) south-east, and Penrhiwceiber a mile to the south-east. It divides into two communities (civil parishes): West covers the town centre and the districts of Miskin, Darranlas, Fernhill and Glenboi, and East the districts of Cefnpennar, Cwmpennar, Caegarw and Newtown.