- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°57'36"N 5°11'59"W
- Eastings/Northings: 170589, 11561
- OS Grid: SW705115
- Mapcode Local: GBR Z5.8R4S
- Mapcode Global: FRA 0903.60L
Location and coordinates are for the approximate centre of Lion's Den within this administrative area.
Geographic features and populated places may cross administrative borders.