- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°56'36"N 4°33'13"W
- Eastings/Northings: 228500, 341500
- OS Grid: SH285415
- Mapcode Local: GBR 54.LQ8X
- Mapcode Global: WH448.08TV
Location and coordinates are for the approximate centre of Porth Dinllaen within this administrative area.
Geographic features and populated places may cross administrative borders.