- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°58'5"N 3°47'56"W
- Eastings/Northings: 276500, 231500
- OS Grid: SN765315
- Mapcode Local: GBR Y4.L29Q
- Mapcode Global: VH5F3.3SFJ
Location and coordinates are for the approximate centre of Afon Ydw within this administrative area.
Geographic features and populated places may cross administrative borders.