- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 52°11'49"N 4°4'43"W
- Eastings/Northings: 258022, 257454
- OS Grid: SN580574
- Mapcode Local: GBR DR.3QYB
- Mapcode Global: VH4GJ.812L
Location and coordinates are for the approximate centre of Allt Tynffynnon within this administrative area.
Geographic features and populated places may cross administrative borders.