- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°43'6"N 3°31'8"W
- Eastings/Northings: 297500, 314500
- OS Grid: SH975145
- Mapcode Local: GBR 9J.1S97
- Mapcode Global: WH67Z.XXHW
Location and coordinates are for the approximate centre of Afon Twrch within this administrative area.
Geographic features and populated places may cross administrative borders.