- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°49'28"N 3°46'43"W
- Eastings/Northings: 277500, 215500
- OS Grid: SN775155
- Mapcode Local: GBR Y5.W790
- Mapcode Global: VH5FW.GD3K
Location and coordinates are for the approximate centre of Afon Twrch within this administrative area.
Geographic features and populated places may cross administrative borders.