Safety & Advisories

How Many Acclimatization Days Do You Actually Need for Everest Base Camp? The Real Answer

A 1976 study found altitude sickness in 53% of unacclimatized trekkers near Everest. A 2022 study found it in 55% of trekkers on fixed-schedule group…

By Laxman Rawal · Aug 6, 2026

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The direct answer: at least two full rest days above 3,000 metres, and a third if your itinerary reaches Everest Base Camp in under twelve days. That is not a marketing number — it is what two altitude-medicine studies, 46 years apart, both point to…

Travel Himalaya Nepal · News

What this means for trekkers

What this means for you The 8 to 9 day express itineraries some budget operators advertise are close to the version of this trek both studies were describing when they measured AMS in more than half their subjects: fixed schedules, fast ascent, no slack for a…

Travel Himalaya Nepal · News

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