Ball’s Pyramid is an erosional remnant of a shield volcano and caldera that formed about 7 million years ago. Ball’s Pyramid is 20 km (13 miles) southeast of Lord Howe Island in the Pacific Ocean. It is 562 m (1844 ft) high, while measuring only 200 m (656 ft) across, making it the tallest volcanic stack in the world. It is part of the Lord Howe Island Marine Park. Ball’s Pyramid has a few satellite islets. Observatory Rock and Wheatsheaf Islet lie about 800 m WNW and 800 m WSW, respectively, of the western extremity of Ball’s Pyramid. Southeast Rock is a pinnacle located about 3.5 km southeast of Ball’s…