- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 51°53'30"N 4°10'49"W
- Eastings/Northings: 250051, 223705
- OS Grid: SN500237
- Mapcode Local: GBR DM.R3PY
- Mapcode Global: VH3LC.HQB6
Location and coordinates are for the approximate centre of Allt Cwm-gwyn within this administrative area.
Geographic features and populated places may cross administrative borders.