Dulais Valley

Onllwyn () is a small village and community in Neath Port Talbot, Wales, near Seven Sisters. The community area also covers the small settlements of Dyffryn Cellwen and Banwen. To the north is Coelbren, Powys, while to the east the Afon Pyrddin forms the boundaries of both Powys and the Brecon Beacons National Park.

village in the Dulais Valley, Wales

Crynant () is a village and community in the Dulais Valley in Wales. It lies 7¾ miles north-east from the town of Neath in Neath Port Talbot, situated between the mountains of Mynydd Marchywel to the west, Hirfynydd to the east and Mynydd y Drum to the north.

village in Wales

Aberdulais is a village and electoral ward in Neath Port Talbot, Wales, lying on the River Neath, in the community of Blaenhonddan. The village grew around the Aberdulais Falls, the site of successive industries and now a hydro-electric station. The National Trust owns and administers the site.

Banwen is a small village in Neath Port Talbot county borough (NPT) in Wales. Banwen is part of the community of Onllwyn along with the village of Onllwyn itself and the adjacent parish of Dyffryn Cellwen. Banwen is in the Upper Dulais Valley, with views over the southern slopes of the Brecon Beacons (). Banwen consists of a single street named Roman Road.