Water boils at about 72°C162°F on the summit of Everest and 83°C181°F at its base camp, while ice still melts at 0°C32°F. Here is the boiling point at every camp on Kilimanjaro, Aconcagua, Denali and Everest, why Denali's air is thinner than its height suggests, and what the big expedition kitchens do about it.
