- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°57'2"N 3°37'52"W
- Eastings/Northings: 290500, 340500
- OS Grid: SH905405
- Mapcode Local: GBR 6C.L0DW
- Mapcode Global: WH66Z.6338
Location and coordinates are for the approximate centre of Afon Mynach within this administrative area.
Geographic features and populated places may cross administrative borders.