- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°39'28"N 3°41'57"W
- Eastings/Northings: 285158, 308057
- OS Grid: SH851080
- Mapcode Local: GBR 98.5PTG
- Mapcode Global: WH689.4GP5
Location and coordinates are for the approximate centre of Cwm-Llinau within this administrative area.
Geographic features and populated places may cross administrative borders.