Everest? On Mars, We Call It a Pothole

Quick Links

• The scale problem
• Why Mars made it possible
• Imagining the summit
• What the mountain teaches us

The scale problem

Let’s get one thing straight: Olympus Mons is not just big. It’s the celestial megaphone of geology, shouting “gravity who?” from the red plains of Mars. If Mount Everest had a midlife crisis and relocated to space, it would look up at Olympus Mons and sigh, “Nice contour lines, buddy.” In other words, Everest wouldn’t even reach halfway up the thing.

First, a quick scale-check for the curious. Olympus Mons towers about 13.6 miles (22 kilometers) high above the surrounding Martian terrain. Everest, by comparison, rises a modest 29,029 feet (8.848 kilometers) above sea level. Do the math and you’ll realize Everest would be a mere hillock on the flank of this cosmic volcano—the kid’s bike tire against a dragon’s indomitable tail.

Why Mars made it possible

So why is Olympus Mons so colossal? Several planetary favors line up in its favor. Mars has a thinner atmosphere and lower gravity than Earth, which means volcanic magma has an easier time pushing upward without the explosive feedback that would blow it apart on our world. The planet also doesn’t have plate tectonics in the same way Earth does; instead, the lava simply keeps piling up, over and over, building a squat, shield-hill that would make Mauna Loa look like a speed bump.

To picture the scale, imagine a volcano that could host several Mount Everests stacked in a neat row, then add a few more, just for style. The caldera—the volcano’s big, empty mouth at the summit—would be roughly the size of a modern city if you could ferry people to the top. The slope is so gradual that a well-trained Martian would be able to hike to the top without breaking a sweat… assuming the air didn’t kill the vibe first. No oxygen, no problem—scientists have learned to bluff their way through that part by dreaming about the view in 3D virtual reality.

Imagining the summit

And the view is not just “up.” It’s across a landscape that begs for adjectives. Olympus Mons sits in the Tharsis region, a volcanic plateau that glowed with quiet, stubborn genius for eons. From a distance, the mountain looks small enough to frame a postcard, but up close, you realize you’re starring at a geological skyscraper: a colossal monument to the patience of magma and the whims of planetary crust.

If Everest had a social media account, its bio would be “Roof of the World, 8.8 km and counting.” Olympus Mons’ bio would be “Small steps for a planet, giant leap for a spectacular photoset.” The summit is so lofty that even a satellite would treat it like a cliffhanger—the kind of feature you zoom in on, then realize you’ve been staring at a single, enormous rock for hours.

There’s also a playful thought experiment tucked in here: what if Olympus Mons had ever erupted on Earth? The consequences would have been… monumental in ways we can barely imagine. The lava would ooze across continents with the patience of a librarian shelving books. The atmosphere, thinner and less forgiving, would likely produce a spectacle of ash and gas that would alter climate patterns on a scale we’d only see in sci-fi movies. In short, Everest would be a rubber stamp compared to a Martian eruption of this magnitude.

What the mountain teaches us

For science enthusiasts and casual readers alike, Olympus Mons is a reminder that size isn’t a moral value, but it is a cosmic curiosity. It challenges our sense of scale, makes our favorite hiking destinations feel like backyard hills, and invites us to consider how different planets sculpt their landscapes with the quiet stubbornness of time.

So next time you’re tempted to compliment a tall peak with a sigh of “impressive,” remember Olympus Mons. It doesn’t just set the bar for mountains; it redefines the entire concept of “up.” And if Mount Everest ever found itself in a Martian gravity well, it would probably hire Olympus as its personal trainer—proof that in the universe, the tall always have someone taller to look up to.

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