What’s the one piece of kit you couldn’t do without, whatever the trek?

A pair of comfortable, worn-in boots. Wear them on the plane, because everything else is replaceable if your luggage goes missing, but worn-in boots are not.

Must-do trek that’s off the beaten path? 

Mount Toubkal in Morocco’s Atlas Mountains. Trekking Toubkal in winter, when the mountains are snow-capped, is challenging but you’ll be rewarded with stunning views from the summit, stretching from the Sahara to the Atlantic Ocean.

Most common mistake when trekking? 

There’s nothing to be gained by trying to rush ahead of the group. Just pace yourself and enjoy it.