- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 52°41'13"N 3°10'14"W
- Eastings/Northings: 320962, 310564
- OS Grid: SJ209105
- Mapcode Local: GBR 9Z.3VCQ
- Mapcode Global: WH79H.8QCF
Location and coordinates are for the approximate centre of Gwern Heylin within this administrative area.
Geographic features and populated places may cross administrative borders.