- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°51'29"N 3°48'21"W
- Eastings/Northings: 278500, 330500
- OS Grid: SH785305
- Mapcode Local: GBR 63.RZYK
- Mapcode Global: WH678.HFV4
Location and coordinates are for the approximate centre of Afon Bryn-llin-fawr within this administrative area.
Geographic features and populated places may cross administrative borders.