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Does Water Boil Faster in the Mountains? The Science Behind It

Does Water Boil Faster in the Mountains? The Science Behind It

Fact or fiction?

The boiling point of water is 100°C at sea level under standard atmospheric pressure. But what happens higher up?

In the mountains, lower air pressure means water boils at reduced temperatures—for example, around 90°C in the Alps, and even lower at greater elevations. This makes water reach a boil more quickly.

However, that doesn't speed up cooking. Lower boiling temperatures mean eggs and other foods take longer to cook through. For reliable results at high altitudes, a pressure cooker is ideal, as it raises internal pressure to increase the boiling point.