- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 52°25'48"N 4°0'42"W
- Eastings/Northings: 263321, 283258
- OS Grid: SN633832
- Mapcode Local: GBR 8V.N4WF
- Mapcode Global: VH4FD.F50V
Location and coordinates are for the approximate centre of Allt Dderw within this administrative area.
Geographic features and populated places may cross administrative borders.