- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 52°25'29"N 3°55'14"W
- Eastings/Northings: 269500, 282500
- OS Grid: SN695825
- Mapcode Local: GBR 8Z.N9BP
- Mapcode Global: VH4FG.095Y
Location and coordinates are for the approximate centre of Cwmerfyn within this administrative area.
Geographic features and populated places may cross administrative borders.