- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 52°5'8"N 3°48'17"W
- Eastings/Northings: 276424, 244582
- OS Grid: SN764445
- Mapcode Local: GBR Y4.BLV5
- Mapcode Global: VH5DJ.0TBX
Location and coordinates are for the approximate centre of Allt Nant-yr-onen within this administrative area.
Geographic features and populated places may cross administrative borders.