- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°37'2"N 3°47'51"W
- Eastings/Northings: 275635, 192499
- OS Grid: SS756924
- Mapcode Local: GBR H3.97GX
- Mapcode Global: VH5GV.4L4W
Location and coordinates are for the approximate centre of Cwm Baglan within this administrative area.
Geographic features and populated places may cross administrative borders.