Chimborazo in Ecuador is definitely the highest mountain in the world when measured from the centre of the Earth. I found a mathematical formula to prove it. I just needed to climb the mountain to be sure of its correct altitude.
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Cayambe and Chimborazo: Why Ecuador’s volcanoes are worth a second visit
I love the open geography of Ecuador’s central highlands, a high-altitude landscape of free-standing volcanoes. Six years ago I went there and climbed five of them. This Christmas I will be making a long overdue return visit.
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