- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°59'31"N 3°42'21"W
- Eastings/Northings: 282958, 233998
- OS Grid: SN829339
- Mapcode Local: GBR Y8.JMCF
- Mapcode Global: VH5F4.Q646
Location and coordinates are for the approximate centre of Cwm Gwennol within this administrative area.
Geographic features and populated places may cross administrative borders.