- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°57'13"N 3°22'41"W
- Eastings/Northings: 307500, 340500
- OS Grid: SJ075405
- Mapcode Local: GBR 6P.KV64
- Mapcode Global: WH787.20KT
Location and coordinates are for the approximate centre of Afon Trystion within this administrative area.
Geographic features and populated places may cross administrative borders.