- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°35'41"N 3°58'20"W
- Eastings/Northings: 266500, 301500
- OS Grid: SH665015
- Mapcode Local: GBR 8X.9NKQ
- Mapcode Global: WH57D.Y1LJ
Location and coordinates are for the approximate centre of Nant Cwm-ffernol within this administrative area.
Geographic features and populated places may cross administrative borders.