- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°47'14"N 3°43'44"W
- Eastings/Northings: 283500, 322500
- OS Grid: SH835225
- Mapcode Local: GBR 67.XDP6
- Mapcode Global: WH67P.P6JD
Location and coordinates are for the approximate centre of Afon Harnog within this administrative area.
Geographic features and populated places may cross administrative borders.