Top 10 highest mountain in the world

Traditional knowledge tells us that Mount Everest is the tallest mountain in the world – but the truth is a little more complicated.

Depending on how you measure a mountain, Mount Everest might not be the tallest in the world after all.

There are a couple of other mountains that would like to have a word and are both able to claim the record on a technicality.

5th highest mountain in the world

If you’re looking for a good old ‘um, actually’ fact, you’re in the right place.

Adventure down the page below to find out about Mauna Kea – the dormant volcano in Hawaii – and to see why it can claim to be the tallest mountain in the world.

Is Mount Everest the world’s tallest mountain?

Mount Everest is the world's tallest mountain above sea level.

Its peak is 8,849m above the ocean, making it the piece of land at the highest altitude on Earth. Technically, however, it is not the tallest mountain in the world, if you consider mountains that begin below sea level.

However, Mount Everest is easily the mountain with the tallest peak that you can clim

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