| Henry Head Battery | |
|---|---|
| Little Bay in Australia | |
 6" gun emplacement from the rear exterior of the fortification | |
| Location | |
 | |
| Coordinates | 33°59′54″S151°14′17″E / 33.998272°S 151.237981°E |
| Site history | |
| Built | 1892- 1895 |
| In use | 1895- 1910 |
The Henry Head Battery is an artillery battery on the northern side of the entrance to Botany Bay at Henry Head, La Perouse, New South Wales Australia. [1]
Constructed between 1892 - 1895 with 2 BL 6-inch Mk V disappearing guns, [2] the fort operated until 1910, after which it became obsolete.
The battery, along with two six-inch (152.4 mm – diameter) gun emplacements and observation posts, was re-employed during World War II to defend the approaches to Botany Bay. [3] During WWII, it was armed with two 18-pounder Mk IV field guns and two QF 3-pounder Hotchkiss guns. [2] The underground bunker and tunnel complex consisted of vaulted ammunition storage rooms with double walls and ceilings, which were designed to stop them collapsing in the event of a direct hit.
The remains of the fortifications can still be seen.
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