- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°14'4"N 4°23'28"W
- Eastings/Northings: 240500, 373500
- OS Grid: SH405735
- Mapcode Local: GBR 5C.07R6
- Mapcode Global: WH42S.JY5Q
Location and coordinates are for the approximate centre of Afon Gwna within this administrative area.
Geographic features and populated places may cross administrative borders.