- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 52°0'0"N 4°16'17"W
- Eastings/Northings: 244162, 235939
- OS Grid: SN441359
- Mapcode Local: GBR DH.J546
- Mapcode Global: VH3KQ.XZ5P
Location and coordinates are for the approximate centre of Allt Cwm-hwplyn within this administrative area.
Geographic features and populated places may cross administrative borders.