- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°23'22"N 3°45'20"W
- Eastings/Northings: 280611, 278289
- OS Grid: SN806782
- Mapcode Local: GBR 96.QFYJ
- Mapcode Global: VH5C5.V69G
Location and coordinates are for the approximate centre of Llyn Rhuddnant within this administrative area.
Geographic features and populated places may cross administrative borders.