- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°54'15"N 3°10'17"W
- Eastings/Northings: 319500, 223500
- OS Grid: SO195235
- Mapcode Local: GBR YZ.Q7XM
- Mapcode Global: VH6C8.ZD7L
Location and coordinates are for the approximate centre of Ffynnon Oer within this administrative area.
Geographic features and populated places may cross administrative borders.