- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 53°15'27"N 3°54'55"W
- Eastings/Northings: 272327, 375097
- OS Grid: SH723750
- Mapcode Local: GBR 1Z3R.4Z
- Mapcode Global: WH544.TDQ2
Location and coordinates are for the approximate centre of Cwm Graiglwyd within this administrative area.
Geographic features and populated places may cross administrative borders.