World's tallest mountain is 10km tall — 20 football pitches taller than Everest
Mount Everest is indeed the world's highest mountain, with its peak standing at 8,849m (that's 8.8km) above the ocean.
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Which is the Tallest Mountain in the World?
This title is reserved for Chimborazo in Ecuador. Chimborazo's summit sits ... Mauna Kea volcano on the Big Island of Hawaii is the highest mountain in the world. Measuring from its ocean floor ...