- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°59'10"N 3°39'44"W
- Eastings/Northings: 288500, 344500
- OS Grid: SH885445
- Mapcode Local: GBR 69.HYN2
- Mapcode Global: WH66R.Q66J
Location and coordinates are for the approximate centre of Llyn Hesgyn within this administrative area.
Geographic features and populated places may cross administrative borders.