- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°21'59"N 4°32'2"W
- Eastings/Northings: 231500, 388500
- OS Grid: SH315885
- Mapcode Local: GBR HM5S.XM8
- Mapcode Global: WH424.BN72
Location and coordinates are for the approximate centre of Llyn Garreg-lwyd within this administrative area.
Geographic features and populated places may cross administrative borders.