- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°2'25"N 3°38'58"W
- Eastings/Northings: 289500, 350500
- OS Grid: SH895505
- Mapcode Local: GBR 6B.DFZ5
- Mapcode Global: WH66C.XV92
Location and coordinates are for the approximate centre of Merddwr within this administrative area.
Geographic features and populated places may cross administrative borders.