Sorbus aucuparia and flexible wood has traditionally been used for woodworking. It is planted to fortify soil in mountain regions or as an ornamental tree and has several cultivars. The binomial name "Sorbus aucuparia" is composed of the Latin words "sorbus" for service tree and "aucuparia", which derives from the words "avis" for "bird" and "capere" for "catching" and describes the use of the fruit of "S. aucuparia" as bait for fowling. The plant is commonly known as rowan and mountain-ash, and has also been called Amur mountain-ash, European mountain-ash, quick beam, quickbeam, or rowan-berry. The names rowan and mountain ash may
Mountain Ash, Rhondda Cynon Taf secondary school is the hospital Ysbyty Cwm Cynon which opened in 2012 replacing the old Mountain Ash General Hospital. Local primary schools include Our Lady's R.C Primary School, Caegarw Primary School (Ysgol Gynradd Caegarw), Glenboi Primary School (Ysgol Gynradd Glen-boi), Darranlas Primary School (Ysgol Gynradd Darren-las), Miskin Primary School (Ysgol Gynradd Meisgyn), Penguelan Primary School (Ysgol Gynradd Pengeulan) and Penrhiwceiber Primary School (Ysgol Gynradd Penrhiwceibr). Mountain Ash has a rugby union team called Mountain Ash RFC. Rugby league club South Wales Scorpions also currently play their home matches in Mountain Ash. Nos Galan (), is an annual running road race,