- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°32'14"N 3°45'11"W
- Eastings/Northings: 278500, 183500
- OS Grid: SS785835
- Mapcode Local: GBR H5.G6NR
- Mapcode Global: VH5H7.WMPC
Location and coordinates are for the approximate centre of Afon Cynffig within this administrative area.
Geographic features and populated places may cross administrative borders.