No-one can know in advance how altitude might affect them. Your physical preparation, starting three or four months before, will be helpful. But even being in great shape cannot protect you from the possibility of altitude sickness.
Once you’re on the mountain itself, there are some golden rules which can reduce the chances of you suffering. Our mountain teams are experts and our climbs are operated to minimize the effects of altitude. But no-one can guarantee it will not happen. Here are our top three tips for when you’re on the mountain: