- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 52°1'8"N 4°23'46"W
- Eastings/Northings: 235677, 238333
- OS Grid: SN356383
- Mapcode Local: GBR DB.GXYG
- Mapcode Global: VH3KN.RJ82
Location and coordinates are for the approximate centre of Allt Pen-rhiw within this administrative area.
Geographic features and populated places may cross administrative borders.