- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 51°47'43"N 3°15'20"W
- Eastings/Northings: 313500, 211500
- OS Grid: SO135115
- Mapcode Local: GBR YV.Y52M
- Mapcode Global: VH6CT.J46G
Location and coordinates are for the approximate centre of Blaen-y-cwm within this administrative area.
Geographic features and populated places may cross administrative borders.