- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 51°51'44"N 5°9'3"W
- Eastings/Northings: 183131, 222900
- OS Grid: SM831229
- Mapcode Local: GBR CB.SWGM
- Mapcode Global: VH1R3.NGP4
Location and coordinates are for the approximate centre of Ogof Felen within this administrative area.
Geographic features and populated places may cross administrative borders.