- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°56'13"N 4°37'54"W
- Eastings/Northings: 219170, 229787
- OS Grid: SN191297
- Mapcode Local: GBR D0.N5QP
- Mapcode Global: VH2NG.NKMW
Location and coordinates are for the approximate centre of Cwm Cedni within this administrative area.
Geographic features and populated places may cross administrative borders.