- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 52°58'18"N 4°28'10"W
- Eastings/Northings: 234270, 344450
- OS Grid: SH342444
- Mapcode Local: GBR 58.JSWC
- Mapcode Global: WH443.9KXP
Location and coordinates are for the approximate centre of Porth y Nant within this administrative area.
Geographic features and populated places may cross administrative borders.