- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°56'12"N 3°18'12"W
- Eastings/Northings: 312500, 338500
- OS Grid: SJ125385
- Mapcode Local: GBR 6S.M22B
- Mapcode Global: WH788.7F7Z
Location and coordinates are for the approximate centre of Ceiriog Ddu within this administrative area.
Geographic features and populated places may cross administrative borders.