33°50′59″S 151°17′14″E / 33.849589°S 151.287117°E
One of the corridors with the gunpowder magazine on the left. This part of the battery is located underground and under the public park adjacent to the Signal Hill Light House.
The Signal Hill Battery was constructed in 1892/93 at Watsons Bay and is adjacent to the Signal Hill Lighthouse on Old South Head Road.