- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 52°0'13"N 4°9'19"W
- Eastings/Northings: 252146, 236121
- OS Grid: SN521361
- Mapcode Local: GBR DN.HXLX
- Mapcode Global: VH3KS.XWKR
Location and coordinates are for the approximate centre of Allt Bryn-Llywelyn within this administrative area.
Geographic features and populated places may cross administrative borders.