Deiniolen

Deiniolen (; ; ) is a village in Gwynedd, Wales, at the foot of Elidir Fawr, in Llanddeiniolen Community. Deiniolen has views over Caernarfon (7 miles away) and on a clear day, Holyhead Mountain and occasionally the Wicklow Mountains in Ireland, can be seen. The population of the electoral ward was 1,909 as of 2011, including nearby Dinorwig, with 81.2% of the population speaking Welsh. The community, Llanddeiniolen, has a population of 5,072 as of the 2011 census, the third-largest in Gwynedd.
Ysgol Gynradd Gwaun Gynfi provides Welsh-medium education for children between 3 and 11 years in the village.
The slate industry was an important employer in Deiniolen, but since the closure of the quarry in 1969, the economy of the village has been in decline.
Seindorf Arian Deiniolen.
Seindorf Arian Deiniolen was formed in 1835 by a group of quarrymen, and has now grown to be one of Wales' major brass bands. The band is currently competing in the First Section. Most recent success includes a third place at the National Brass Band Championships in 2015 and coming second at North Wales Rally (Open Section) in 2017.
Deiniolen Football Club.
Deiniolen FC was formed around the 1950s when the side was playing in the local Caernarfon & District League. After a year absent from the local league the team has reformed.