- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 52°4'3"N 4°31'59"W
- Eastings/Northings: 226467, 244039
- OS Grid: SN264440
- Mapcode Local: GBR D5.CS8G
- Mapcode Global: VH2MY.C9WD
Location and coordinates are for the approximate centre of Allt Penwernfach within this administrative area.
Geographic features and populated places may cross administrative borders.