- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°50'32"N 3°39'24"W
- Eastings/Northings: 288500, 328500
- OS Grid: SH885285
- Mapcode Local: GBR 6B.SS7M
- Mapcode Global: WH67B.STT9
Location and coordinates are for the approximate centre of Afon Twrch within this administrative area.
Geographic features and populated places may cross administrative borders.