Blaengwynfi is a village in the Afan Valley, in the Neath Port Talbot area of South Wales.
It is in the community of Gwynfi and Croeserw, It is a part of the Upper Afan Valley.
The source of the River Afan is at the top of the nearby mountain.
Blaengwynfi is home to a local football team, Gwynfi United.
This Neath Port Talbot location article is a stub.