- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°49'33"N 3°32'15"W
- Eastings/Northings: 296500, 326500
- OS Grid: SH965265
- Mapcode Local: GBR 6G.V55K
- Mapcode Global: WH67L.M7P9
Location and coordinates are for the approximate centre of Afon Yn-y-groes within this administrative area.
Geographic features and populated places may cross administrative borders.