Mount Everest is Earth's highest mountain above sea level, located in the Mahalangur Himal sub-range of the Himalayas. The international border between Nepal and China runs across its summit point. Everest is called Chomolungma by the Tibetan people. It means mother goddess of the universe. Everest was named Sagarmatha by the Nepal Government. It means goddess of the sky. Everest was first named Peak 15 and measured at 29,002 feet in 1856In 1865, it was named Mount Everest, after Sir George Everest.