- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 52°50'11"N 4°43'31"W
- Eastings/Northings: 216520, 330050
- OS Grid: SH165300
- Mapcode Local: GBR GPQ6.68B
- Mapcode Global: WH33F.DY1S
Location and coordinates are for the approximate centre of Porth Oer within this administrative area.
Geographic features and populated places may cross administrative borders.