- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°53'16"N 3°22'51"W
- Eastings/Northings: 305064, 221926
- OS Grid: SO050219
- Mapcode Local: GBR YP.RB09
- Mapcode Global: VH6C5.CT15
Location and coordinates are for the approximate centre of Cwm Oergwm within this administrative area.
Geographic features and populated places may cross administrative borders.