- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 52°8'51"N 4°10'7"W
- Eastings/Northings: 251699, 252157
- OS Grid: SN516521
- Mapcode Local: GBR DN.6SP0
- Mapcode Global: VH3K6.P8GX
Location and coordinates are for the approximate centre of Allt Pen-bryn within this administrative area.
Geographic features and populated places may cross administrative borders.