- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 53°24'15"N 4°33'17"W
- Eastings/Northings: 230259, 392761
- OS Grid: SH302927
- Mapcode Local: GBR HM4P.SFK
- Mapcode Global: WH41Y.0P9K
Location and coordinates are for the approximate centre of Porth Gron within this administrative area.
Geographic features and populated places may cross administrative borders.