The magazine sits on a plateau with several artillery batteries.

It has been in a derelict state for decades although work has taken place to clear debris.

The general layout consisting of four large magazine chambers surrounded by a two level lighting corridor.

This would have provided light through windows along the walls whilst preventing any naked flame from oil lamps from getting near to the magazine's gunpowder.

[1] The magazine sits on Willis's Plateau which is a historic place for the placement of Gibraltar's northern defences.