- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°0'12"N 3°42'27"W
- Eastings/Northings: 285500, 346500
- OS Grid: SH855465
- Mapcode Local: GBR 67.GZSQ
- Mapcode Global: WH66K.0RPS
Location and coordinates are for the approximate centre of Nant Adwy'r-llan within this administrative area.
Geographic features and populated places may cross administrative borders.