- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°6'54"N 4°9'19"W
- Eastings/Northings: 252500, 248500
- OS Grid: SN525485
- Mapcode Local: GBR DN.8XKG
- Mapcode Global: VH3KD.X3HD
Location and coordinates are for the approximate centre of Afon Grannell within this administrative area.
Geographic features and populated places may cross administrative borders.