There is no extra danger climbing Olympus Mons involved, it's actually very flat: "...an observer near the summit would be unaware of standing on a very high mo

There is no extra danger climbing Olympus Mons involved, it's actually very flat: "...an observer near the summit would be unaware of standing on a very high mountain, as the slope of the volcano would extend far beyond the horizon, a mere 3 kilometers away." https://en.wikipedia.org/wiki/Olympus_Mons#Description https://en.wikipedia.org/wiki/Olympus_Mons#Description