We start our journey trekking towards the dunes of Erg Chegaga to discover the wonderful big desert. After about 3 hours of walking, we stop for a lunch break under a shadowy tree, to enjoy tea and relax. after that picnic, We continue our hiking and trekking for another 2 hours until we reach a dry river (Oued Naam), where we will set our camp, have dinner, and spend the night in a tent or under the sky full of stars.