- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°15'57"N 3°44'16"W
- Eastings/Northings: 281500, 264500
- OS Grid: SN815645
- Mapcode Local: GBR 97.Z6BX
- Mapcode Global: VH5CS.599V
Location and coordinates are for the approximate centre of Nant Brwynog within this administrative area.
Geographic features and populated places may cross administrative borders.