- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 52°1'56"N 4°37'0"W
- Eastings/Northings: 220588, 240335
- OS Grid: SN205403
- Mapcode Local: GBR D1.G3GY
- Mapcode Global: VH2N2.X5MW
Location and coordinates are for the approximate centre of Allt Rhosygilwen within this administrative area.
Geographic features and populated places may cross administrative borders.