- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°38'56"N 3°41'20"W
- Eastings/Northings: 283234, 195822
- OS Grid: SS832958
- Mapcode Local: GBR H7.7BRR
- Mapcode Global: VH5GQ.0TK7
Location and coordinates are for the approximate centre of Cwm Afan within this administrative area.
Geographic features and populated places may cross administrative borders.