Climb high, sleep low is more than a slogan. Build rest days into itineraries above 3,500 metres, drink more water than you think you need, and tell your guide at the first sign of a persistent headache. Diamox is a conversation with your doctor at home, not a substitute for turning around.
How to think about altitude on a Himalayan trek
Sep 10, 2026 5 min read Trekking Tips
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