- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 52°52'47"N 4°40'33"W
- Eastings/Northings: 220023, 334721
- OS Grid: SH200347
- Mapcode Local: GBR GPT2.YNN
- Mapcode Global: WH338.4WL4
Location and coordinates are for the approximate centre of Porth Colmon within this administrative area.
Geographic features and populated places may cross administrative borders.