- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 51°59'36"N 3°42'26"W
- Eastings/Northings: 282865, 234151
- OS Grid: SN828341
- Mapcode Local: GBR Y8.JM00
- Mapcode Global: VH5F4.P5D6
Location and coordinates are for the approximate centre of Allt Llwyn-y-berllan within this administrative area.
Geographic features and populated places may cross administrative borders.