- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°50'1"N 3°0'36"W
- Eastings/Northings: 330500, 215500
- OS Grid: SO305155
- Mapcode Local: GBR F6.VL0F
- Mapcode Global: VH796.S52K
Location and coordinates are for the approximate centre of Afon Gafenni within this administrative area.
Geographic features and populated places may cross administrative borders.