100 tonne gun Gibraltar – Gibraltar Tourism
Gibraltar boasts the worlds largest muzzle loading cannon in the world. Although obsolete almost as soon as it was put in and never actually fired in anger the 100 tonne Armstrong
rifled muzzle loader is one of two in the world, the other being on the Island of Malta.
It is situated on the cliff top above Rosia Bay and you can visit it by bus, just ask for Rosia.