- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°8'17"N 3°56'33"W
- Eastings/Northings: 267140, 250644
- OS Grid: SN671506
- Mapcode Local: GBR DY.7GN2
- Mapcode Global: VH4GS.LJZ9
Location and coordinates are for the approximate centre of Llyn y Gwaith within this administrative area.
Geographic features and populated places may cross administrative borders.