- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 53°12'48"N 3°13'43"W
- Eastings/Northings: 318045, 369209
- OS Grid: SJ180692
- Mapcode Local: GBR 6W.1G6D
- Mapcode Global: WH76Y.CHR7
Location and coordinates are for the approximate centre of Tre-llyniau Rough within this administrative area.
Geographic features and populated places may cross administrative borders.