- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 49°58'14"N 6°18'47"W
- Eastings/Northings: 90845, 16744
- OS Grid: SV908167
- Mapcode Local: GBR BXSR.R3P
- Mapcode Global: VGYBR.JZDX
Location and coordinates are for the approximate centre of Back Porth within this administrative area.
Geographic features and populated places may cross administrative borders.