- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 52°10'25"N 4°15'52"W
- Eastings/Northings: 245242, 255251
- OS Grid: SN452552
- Mapcode Local: GBR DJ.50V9
- Mapcode Global: VH3JZ.1MBF
Location and coordinates are for the approximate centre of Allt Tanydderwen within this administrative area.
Geographic features and populated places may cross administrative borders.