- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°1'1"N 3°31'27"W
- Eastings/Northings: 295500, 236500
- OS Grid: SN955365
- Mapcode Local: GBR YH.H4GR
- Mapcode Global: VH5F1.VKRL
Location and coordinates are for the approximate centre of Llyn Dwr within this administrative area.
Geographic features and populated places may cross administrative borders.