- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 51°58'58"N 3°49'55"W
- Eastings/Northings: 274271, 233197
- OS Grid: SN742331
- Mapcode Local: GBR Y3.K62F
- Mapcode Global: VH4HM.JFF5
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.