- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°14'23"N 4°13'12"W
- Eastings/Northings: 248500, 262500
- OS Grid: SN485625
- Mapcode Local: GBR DK.15VG
- Mapcode Global: VH3JL.SYTV
Location and coordinates are for the approximate centre of Afon Arth within this administrative area.
Geographic features and populated places may cross administrative borders.