- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 52°57'20"N 3°42'18"W
- Eastings/Northings: 285555, 341187
- OS Grid: SH855411
- Mapcode Local: GBR 68.KSK1
- Mapcode Global: WH66R.1YYW
Location and coordinates are for the approximate centre of Allt y Gelli within this administrative area.
Geographic features and populated places may cross administrative borders.