- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°19'6"N 4°39'58"W
- Eastings/Northings: 222500, 383500
- OS Grid: SH225835
- Mapcode Local: GBR GMVX.WY2
- Mapcode Global: WH314.9V78
Location and coordinates are for the approximate centre of Porth Namarch within this administrative area.
Geographic features and populated places may cross administrative borders.