The Tallest Hawaiian Mountain is the Tallest in the World

Tallest Hawaiian Mountain Mauna Kea
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As you ascend to the tallest Hawaiian mountain, you’ll actually be climbing the tallest mountain in the world! Let’s talk about Mauna Kea, and other Hawaiian mountains that are technically taller than Everest. 

Mauna Kea: Hawaii Island’s Tallest Mountain

When we think of the world’s tallest mountain, you’ll likely envision Mount Everest. At 29,035 feet, Everest continues to be the quintessential place for climbers hoping to conquer its vast peaks. But Everest ain’t got nothing on Mauna Kea, which some argue is truly the tallest mountain in the world.

Of course, you’d need some scuba gear to really enjoy this Big Island volcano’s height. The base of it extends many miles below the ocean’s surface, from which it measures a whopping 33,000 feet tall – about 4,000 feet taller than Mt. Everest. 

It’s difficult to tell from land, but in addition to Mauna Kea’s elevation of 13,796 feet above sea level, there’s another 17,000 feet underwater.

Standing on top of Mauna Kea

Haleakala: Another Underwater Mountain

Even Haleakala on Maui would technically be taller than Mt. Everest, if you consider the 19,680 feet of volcano beneath the ocean’s surface. When added to the 10,023 feet of volcano above sea level, you’ve got about 675 feet more height than Everest.

Climbing the Tallest Hawaiian Mountain

Don’t worry, though. You won’t need any hard-core climbing gear to reach the summits of Mauna Kea and Haleakala. Nor will you be risking your life in doing so. 

It’s actually quite a scenic drive to the top that you can enjoy from within an air-conditioned vehicle. Both volcanoes are home to national parks that assist visitors hoping to get the most out of their experience. Stop by the visitors center for more information or take a guided tour to the top. It’s best to visit Mauna Kea during the winter months when it’s covered with snow (yes, snow in Hawaii!). While Haleakala has, hands down, THE best view of a Hawaiian sunrise!