- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°37'1"N 3°48'21"W
- Eastings/Northings: 277839, 303690
- OS Grid: SH778036
- Mapcode Local: GBR 94.87LN
- Mapcode Global: WH68F.HGXY
Location and coordinates are for the approximate centre of Cwm Ffrydlan within this administrative area.
Geographic features and populated places may cross administrative borders.