- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 51°52'9"N 4°14'47"W
- Eastings/Northings: 245436, 221360
- OS Grid: SN454213
- Mapcode Local: GBR DJ.SKB0
- Mapcode Global: VH3LJ.B8YV
Location and coordinates are for the approximate centre of Allt Bryn-Myrddin within this administrative area.
Geographic features and populated places may cross administrative borders.