- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°26'44"N 3°52'50"W
- Eastings/Northings: 272266, 284734
- OS Grid: SN722847
- Mapcode Local: GBR 91.M13G
- Mapcode Global: VH4F8.PS7K
Location and coordinates are for the approximate centre of Llyn Syfydrin within this administrative area.
Geographic features and populated places may cross administrative borders.