Grand Erg Oriental Grand Erg Oriental The Grand Erg Oriental (English: 'Great Eastern Sand Sea') is a large "erg" or "field of sand dunes" in the Sahara Desert. Situated for the most part in Saharan lowlands of northeast Algeria, the Grand Erg Oriental covers an area some 600 km wide by 200 km north to south. The erg's northeastern edge spills over into neighbouring Tunisia. The Grand Erg Oriental is a desert, a natural region receiving very little rainfall. It is the largest "Erg" in Algeria, the next in size being the much smaller Grand Erg Occidental ('Western Sand Sea'). The largest erg
Erg Chigaga Erg Chigaga Erg Chegaga (or Chigaga) is one of two major Saharan ergs of the Sahara in Morocco, the other being the Erg Chebbi near Merzouga. This dunes are located in the Drâa-Tafilalet area about 50 km west of the rural town of M'Hamid El Ghizlane, itself located about 98 km south of the town of Zagora. With a length of approximately 40 km to 15 km width, some dunes are around 60m high (significantly less than the dunes at Erg Chebbi with up to 150m), it is the largest and wildest of Morocco. Because it is relatively difficult to