- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°50'12"N 3°33'41"W
- Eastings/Northings: 292500, 216500
- OS Grid: SN925165
- Mapcode Local: GBR YG.VF5Y
- Mapcode Global: VH5G0.63Z9
Location and coordinates are for the approximate centre of Afon Llia within this administrative area.
Geographic features and populated places may cross administrative borders.