Tallest Mountains in the World and its details, Most of the top mountains situated in the Himalaya range. Learn about the different ways to measure the height of mountains, and how Mount Everest, Mauna Kea and Chimborazo compare. Find out why Chimborazo is the farthest from the center of the Earth, and see photos of these peaks. Mauna Kea (4,207 m (13,802 ft) above sea level) is the world 's tallest mountain and volcano, rising about 10,203 m (33,474 ft) from the Pacific Ocean floor. Which is the highest mountain in the world? Mount Everest, the range of Himalayan mountains, is the highest mountain in the world with a height of approximately 8848 metres. Highest or tallest mountains in the world is an important topic for competitive exams.
