- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°15'55"N 3°46'1"W
- Eastings/Northings: 279500, 264500
- OS Grid: SN795645
- Mapcode Local: GBR 95.ZK3D
- Mapcode Global: VH5CR.NB95
Location and coordinates are for the approximate centre of Llyn Gynon within this administrative area.
Geographic features and populated places may cross administrative borders.