- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°28'51"N 3°47'25"W
- Eastings/Northings: 278500, 288500
- OS Grid: SN785885
- Mapcode Local: GBR 94.JZ7X
- Mapcode Global: VH5BL.7XZ1
Location and coordinates are for the approximate centre of Nant y Llyn within this administrative area.
Geographic features and populated places may cross administrative borders.