If measured from base to summit — not from sea level —
Mount Everest isn’t the tallest mountain on Earth.
Which is?

Question

Accepted Answer

Mauna Kea in Hawaii — over 10,000 metres tall from its underwater base. — Only 4,205m of it pokes above the sea. But base-to-tip, it towers over Everest’s 8,849m.

If measured from base to summit — not from sea level — Mount Everest isn’t the tallest mountain on Earth. Which is?