The
River Afan is a
river in
Wales whose
river valley formed the territory of the
medieval Lords of Afan. The
Afan Valley encompasses the upper reaches of the river. The valley is traversed by the
A4107 Afan Valley Road. Settlements in the area include
Cwmafan, Pwll-y-glaw and
Cymmer. The town of
Aberavon grew up on the banks of the river, and was later subsumed by the larger centre of population known as
Port Talbot. The political constituency still retains the name Aberavon (
aber meaning mouth of a river).