- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°51'51"N 5°16'35"W
- Eastings/Northings: 174500, 223500
- OS Grid: SM745235
- Mapcode Local: GBR C5.SMW4
- Mapcode Global: VH0TL.HDBL
Location and coordinates are for the approximate centre of Porth Clais within this administrative area.
Geographic features and populated places may cross administrative borders.