- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°37'2"N 3°32'18"W
- Eastings/Northings: 293579, 192062
- OS Grid: SS935920
- Mapcode Local: GBR HG.96NG
- Mapcode Global: VH5GZ.MM51
Location and coordinates are for the approximate centre of Cwm Ogwr Fawr within this administrative area.
Geographic features and populated places may cross administrative borders.