- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°51'49"N 4°34'45"W
- Eastings/Northings: 222500, 221500
- OS Grid: SN225215
- Mapcode Local: GBR D3.SLT5
- Mapcode Global: VH2NW.KFZ2
Location and coordinates are for the approximate centre of Afon Gronw within this administrative area.
Geographic features and populated places may cross administrative borders.