Alltwen

Alltwen Welsh: Pen yr Alltwen
Alltwen Location within Neath Port Talbot
Population	2,327 (2011)[1]
OS grid reference	SN726034
Community	Cilybebyll
Principal area	Neath Port Talbot
Preserved county	West Glamorgan
Country	Wales
Sovereign state	United Kingdom
Post town	NEATH
Postcode district	SA8
Dialling code	01792
Police	South Wales
Fire	Mid and West Wales
Ambulance	Welsh
UK Parliament	Neath
Senedd Cymru – Welsh Parliament	Neath
List of places UK Wales Neath Port Talbot 51°42′50″N 3°50′46″W / 51.714°N 3.846°W / 51.714; -3.846

Alltwen (or Allt-wen; translates to "white wooded slope") is a village in the Swansea Valley (Welsh: Cwmtawe) in Wales. Alltwen forms part of the community of Cilybebyll and is administered separately from adjoining Pontardawe on the opposite bank of the River Tawe.

Alltwen is served by Alltwen Primary School and the village has a rugby union club, Alltwen RFC (Welsh: Clwb Rygbi Alltwen).