- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°47'57"N 3°40'34"W
- Eastings/Northings: 284500, 212500
- OS Grid: SN845125
- Mapcode Local: GBR Y9.XW5K
- Mapcode Global: VH5G4.719K
Location and coordinates are for the approximate centre of Nant Llech within this administrative area.
Geographic features and populated places may cross administrative borders.