- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 51°53'13"N 5°18'40"W
- Eastings/Northings: 172222, 226133
- OS Grid: SM722261
- Mapcode Local: GBR C3.RC74
- Mapcode Global: VH0TC.WTGQ
Location and coordinates are for the approximate centre of Ogof Cwm within this administrative area.
Geographic features and populated places may cross administrative borders.