Hayne's Cave Battery is the remains of two gun positions that made up an artillery battery on the west side of the British Overseas Territory of Gibraltar at Hayne's Cave.

The path leads up the west side to the top of the rock passing by this battery, some military support buildings and Rooke Battery.

[2] The battery dates from 1788 although it has a plaque labelled "1903" It is named as the nearby Hayne's Cave.

This battery was named after Captain Haynes who was the garrison quartermaster in 1787-1788 and who began the construction of Queen's Road.

Visitors can see the remains of one of the two 4-inch QF gun positions which were installed in 1904 and are about 40 metres apart.