- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°53'53"N 3°26'47"W
- Eastings/Northings: 300564, 223179
- OS Grid: SO005231
- Mapcode Local: GBR YL.QRPY
- Mapcode Global: VH6C4.6KS3
Location and coordinates are for the approximate centre of Cwm Llwch within this administrative area.
Geographic features and populated places may cross administrative borders.