The 10 tallest mountains in the world above sea level include Mount Everest, Mount Godwin Austen, Mount Kangchenjunga, Mount Lhotse and Mount Makalu. The other mountains included in the list of world's 10 tallest mountains include Mount Cho Oyu, Mount Dhaulagiri, Mount Manaslu, Nanga Parbat and Mount Annapurna.
Of the 10 tallest mountains on Earth, nine of them are in the Himalaya mountain range. Mount Everest, located on the border between Nepal and Tibet, is the tallest mountain in the world. It is 29,035 feet high; climbers first ascended it 1953.
Mount Godwin Austen is the second-tallest mountain in the world. Often referred to as K2, it is the only one of the 10 tallest mountains not found in the Himalayas. The mountain, located in the Karakoram mountain range, is on the border of Pakistan and China and is 28,250 feet tall.
Mount Kangchenjunga is 28,169 feet tall. Located on the border of India and Nepal, it is the third tallest mountain in the world. Joe Brown and George Band were the first to ascend Mount Kangchenjuna in 1955.
The fourth-tallest mountain in the world, Mount Lhotse, located on the border beween Nepal and India, is 27,940 feet above sea level.