Multiple choice general knowledge World's Highest Mountain? Kangchenjunga K2 Mount Everest Lhotse Reveal answer Fill a bubble to check yourself C Correct answer Explanation Mount Everest is the world's highest mountain above sea level, standing at 8,848.86 meters (29,031.7 ft). It is located in the Mahalangur Himal sub-range of the Himalayas, on the border between Nepal and the Tibet Autonomous Region of China.