- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 51°53'20"N 4°39'38"W
- Eastings/Northings: 217008, 224513
- OS Grid: SN170245
- Mapcode Local: GBR CZ.R4NN
- Mapcode Global: VH2NN.5SH5
Location and coordinates are for the approximate centre of Allt Penyrallt Fach within this administrative area.
Geographic features and populated places may cross administrative borders.