- Category: Geographic Feature
- Type: Cirque or Hollow
- Latitude/Longitude: 53°5'29"N 4°8'58"W
- Eastings/Northings: 256143, 357066
- OS Grid: SH561570
- Mapcode Local: GBR 5P.96FK
- Mapcode Global: WH54T.7K6F
Location and coordinates are for the approximate centre of Cwm Cesig within this administrative area.
Geographic features and populated places may cross administrative borders.