- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°33'55"N 3°40'55"W
- Eastings/Northings: 283500, 186500
- OS Grid: SS835865
- Mapcode Local: GBR H8.DLJL
- Mapcode Global: VH5H3.4X7D
Location and coordinates are for the approximate centre of Afon Cynffig within this administrative area.
Geographic features and populated places may cross administrative borders.