Sorbus vilmorinii (mountain slopes, roadsides, mixed forests along river banks, grasslands, bamboo thickets). "Sorbus vilmorinii" was described based on a specimen in cultivation that was an apomictic microspecies. However, almost indistinguishable specimens are diploid and frequent in the wild. Also hybrids are common in the wild. In cultivation, this plant provides a long season of interest as an elegant, compact tree which can be grown in smaller gardens. It has gained the Royal Horticultural Society's Award of Garden Merit. Like all rowans the fruit can be cooked and used to make bitter jellies or marmalades. Sorbus vilmorinii Sorbus vilmorinii, the Vilmorin's rowan
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,