- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°7'26"N 4°2'28"W
- Eastings/Northings: 263500, 360500
- OS Grid: SH635605
- Mapcode Local: GBR 5T.78S4
- Mapcode Global: WH54N.WQRT
Location and coordinates are for the approximate centre of Llyn Cywion within this administrative area.
Geographic features and populated places may cross administrative borders.