- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 51°56'55"N 4°11'26"W
- Eastings/Northings: 249535, 230066
- OS Grid: SN495300
- Mapcode Local: GBR DM.MF4G
- Mapcode Global: VH3L5.98WZ
Location and coordinates are for the approximate centre of Allt yr Ystrad within this administrative area.
Geographic features and populated places may cross administrative borders.