- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°53'27"N 4°0'55"W
- Eastings/Northings: 264500, 334500
- OS Grid: SH645345
- Mapcode Local: GBR 5V.PWKM
- Mapcode Global: WH55V.9L3P
Location and coordinates are for the approximate centre of Llyn Eiddew-bach within this administrative area.
Geographic features and populated places may cross administrative borders.