- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°33'17"N 3°31'8"W
- Eastings/Northings: 294781, 185090
- OS Grid: SS947850
- Mapcode Local: GBR HG.FCJV
- Mapcode Global: VH5HC.Y5GV
Location and coordinates are for the approximate centre of Cwm Llwyd within this administrative area.
Geographic features and populated places may cross administrative borders.