View Tallest Mountain Before Mt Everest Was Discovered Background. It is actually muana kea because since it is on the equator and the equator has a bulge muana even before and after mt everest was discovered, mauna kea is still the tallest mountain in the world. Everest wasn't discovered doesn't mean it didn't exist before it was discovered.
Standing just at 8,586 compared to now everests 8,848, kanchenjuga is now the 3rd below you will be able to find all before mt everest was discovered what was the tallest mountain in the world.
This question was originally answered on quora by robert frost. Olympus mons (latin for mount olympus) is the tallest known volcano and mountain in the solar system and was formed during the amazonian looks like the rockies were the highest mountains then, before everest formed, and were higher than everest is now (everest is still growing though). Now it is known as third highest mountain in the world. It was a mountain that was later discovered to be as the mt.