- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°37'36"N 3°8'19"W
- Eastings/Northings: 321263, 192617
- OS Grid: ST212926
- Mapcode Local: GBR HZ.8R56
- Mapcode Global: VH6DN.JCYR
Location and coordinates are for the approximate centre of Cwm Llwch within this administrative area.
Geographic features and populated places may cross administrative borders.