- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°50'43"N 4°33'24"W
- Eastings/Northings: 220093, 108225
- OS Grid: SS200082
- Mapcode Local: GBR K1.W5FF
- Mapcode Global: FRA 16BV.Y81
Location and coordinates are for the approximate centre of Smooth Rock within this administrative area.
Geographic features and populated places may cross administrative borders.