- Category: Geographic Feature
- Type: Cirque or Hollow
- Latitude/Longitude: 53°7'24"N 4°2'48"W
- Eastings/Northings: 263137, 360432
- OS Grid: SH631604
- Mapcode Local: GBR 5T.77GJ
- Mapcode Global: WH54N.TR5D
Location and coordinates are for the approximate centre of Cwm Cywion within this administrative area.
Geographic features and populated places may cross administrative borders.