- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 52°2'9"N 4°30'47"W
- Eastings/Northings: 227713, 240484
- OS Grid: SN277404
- Mapcode Local: GBR D5.FZ1Z
- Mapcode Global: VH2N4.Q3F3
Location and coordinates are for the approximate centre of Allt Pen-rhiw-olau within this administrative area.
Geographic features and populated places may cross administrative borders.