- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°50'52"N 4°28'36"W
- Eastings/Northings: 229500, 219500
- OS Grid: SN295195
- Mapcode Local: GBR D7.TN7L
- Mapcode Global: VH3LD.CT66
Location and coordinates are for the approximate centre of Afon Dewi Fawr within this administrative area.
Geographic features and populated places may cross administrative borders.