- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°49'14"N 4°29'23"W
- Eastings/Northings: 228500, 216500
- OS Grid: SN285165
- Mapcode Local: GBR D6.WK0J
- Mapcode Global: VH3LL.4H9K
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.