- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°19'13"N 3°41'45"W
- Eastings/Northings: 284500, 270500
- OS Grid: SN845705
- Mapcode Local: GBR 98.VYFT
- Mapcode Global: VH5CD.WYF1
Location and coordinates are for the approximate centre of Llyn Cerrigllwydion Isaf within this administrative area.
Geographic features and populated places may cross administrative borders.