- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°13'14"N 4°0'26"W
- Eastings/Northings: 262970, 259961
- OS Grid: SN629599
- Mapcode Local: GBR DV.2BLT
- Mapcode Global: VH4GC.HF9W
Location and coordinates are for the approximate centre of Cwm y Glyn within this administrative area.
Geographic features and populated places may cross administrative borders.