37+ Sea Mountain Taller Than Everest Pictures. Mauna kea, an inactive volcano on the island of hawaii is actually taller. At almost 30,000 feet, mount everest may seem like it's as tall and as high a mountain as has ever existed.
Officially, the summit of everest stands at 8,848 metres in height, a measurement first recorded by an indian survey 65 years ago in 1954.
Mount everest, along with the rest of the himalayan mountains, is relatively young in geological terms at no more than 60 million years old, so before mount everest is the tallest mountain above sea level, but if we're talking sheer height here, base to summit, then the tallest mountain is mauna kea. At 4205 meters (13,796 feet) above sea level, it's less than half. The highest mountains on each continent the seven summits. Like if you consider the whole solar system, the tallest mountain is in mars.