- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°53'58"N 3°33'49"W
- Eastings/Northings: 292500, 223500
- OS Grid: SN925235
- Mapcode Local: GBR YG.QDNC
- Mapcode Global: VH5FM.5JT2
Location and coordinates are for the approximate centre of Afon Senni within this administrative area.
Geographic features and populated places may cross administrative borders.