- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°54'58"N 3°17'35"W
- Eastings/Northings: 311156, 224987
- OS Grid: SO111249
- Mapcode Local: GBR YT.PFRC
- Mapcode Global: VH6C6.V3X9
Location and coordinates are for the approximate centre of Cwm Gelanedd within this administrative area.
Geographic features and populated places may cross administrative borders.