- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°41'13"N 3°59'17"W
- Eastings/Northings: 265719, 311801
- OS Grid: SH657118
- Mapcode Local: GBR 8W.3YHJ
- Mapcode Global: WH56T.QQ39
Location and coordinates are for the approximate centre of Llyn Cyri within this administrative area.
Geographic features and populated places may cross administrative borders.