- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°56'53"N 3°16'28"W
- Eastings/Northings: 312500, 228500
- OS Grid: SO125285
- Mapcode Local: GBR YV.MDDC
- Mapcode Global: VH6C1.698F
Location and coordinates are for the approximate centre of Afon Llynfi within this administrative area.
Geographic features and populated places may cross administrative borders.