- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°51'11"N 3°31'24"W
- Eastings/Northings: 297500, 329500
- OS Grid: SH975295
- Mapcode Local: GBR 6H.S8K1
- Mapcode Global: WH67D.VK80
Location and coordinates are for the approximate centre of Nant y Groes-fagl within this administrative area.
Geographic features and populated places may cross administrative borders.