- Category: Water Feature
- Type: Island
- Latitude/Longitude: 54°33'2"N 0°45'57"W
- Eastings/Northings: 479923, 517979
- OS Grid: NZ799179
- Mapcode Local: GBR RH2T.ZF
- Mapcode Global: WHF8C.6WK5
Location and coordinates are for the approximate centre of Thorndale Shaft within this administrative area.
Geographic features and populated places may cross administrative borders.