- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°36'34"N 3°45'51"W
- Eastings/Northings: 280637, 302762
- OS Grid: SH806027
- Mapcode Local: GBR 95.8RVX
- Mapcode Global: WH68G.4NSV
Location and coordinates are for the approximate centre of Cwm Llywy within this administrative area.
Geographic features and populated places may cross administrative borders.