Ocean. It is 562 metres (1,844 ft) high, while measuring only 1,100 metres (3,600 ft) in length and 300 metres (980 ft) across, making it the tallest volcanic stack in the world. [1] Ball's Pyramid is located at 31°45′15″S 159°15′06″E Coordinates : 31°45′15″S 159°15′06″E , and is part of the Lord Howe Island Marine