- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 51°58'52"N 3°43'29"W
- Eastings/Northings: 281634, 232815
- OS Grid: SN816328
- Mapcode Local: GBR Y7.K8PQ
- Mapcode Global: VH5F4.DG4K
Location and coordinates are for the approximate centre of Allt y Fergwm within this administrative area.
Geographic features and populated places may cross administrative borders.