- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°37'21"N 2°17'22"W
- Eastings/Northings: 379612, 80359
- OS Grid: SY796803
- Mapcode Local: GBR 10P.XLN
- Mapcode Global: FRA 672F.CTY
Location and coordinates are for the approximate centre of Butter Rock within this administrative area.
Geographic features and populated places may cross administrative borders.