- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°4'5"N 4°15'19"W
- Eastings/Northings: 245500, 243500
- OS Grid: SN455435
- Mapcode Local: GBR DJ.CWMT
- Mapcode Global: VH3KK.685T
Location and coordinates are for the approximate centre of Afon Clettwr within this administrative area.
Geographic features and populated places may cross administrative borders.