- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°8'36"N 4°5'1"W
- Eastings/Northings: 257500, 251500
- OS Grid: SN575515
- Mapcode Local: GBR DR.73NC
- Mapcode Global: VH4GQ.5DD7
Location and coordinates are for the approximate centre of Afon Denys within this administrative area.
Geographic features and populated places may cross administrative borders.