- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 51°56'27"N 4°14'35"W
- Eastings/Northings: 245906, 229315
- OS Grid: SN459293
- Mapcode Local: GBR DK.MS5V
- Mapcode Global: VH3L4.DGNY
Location and coordinates are for the approximate centre of Llyn Llanllawddog within this administrative area.
Geographic features and populated places may cross administrative borders.