- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°16'1"N 3°45'42"W
- Eastings/Northings: 279862, 264670
- OS Grid: SN798646
- Mapcode Local: GBR 96.Z6DQ
- Mapcode Global: VH5CR.R82Y
Location and coordinates are for the approximate centre of Llyn Gynon within this administrative area.
Geographic features and populated places may cross administrative borders.