Erg Chigaga or Erg Chegaga (; ) is the largest of the major ergs (dune seas) in

Morocco Morocco, officially the Kingdom of Morocco, is a country in the Maghreb region of North Africa. It has coastlines on the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to Algeria–Morocc ...

. It is located in the Draa valley in the southeastern part of the country. The other well-known erg in the country is Erg Chebbi near

Merzouga Merzouga (, ) is a village in southeastern Morocco. The village is near the Erg Chebbi dunes, one of the tallest in the Sahara. It is about southeast of Rissani, about from Erfoud and about from the Algeria–Morocco border, Algerian border. S ...

. This erg made of sand dunes is located in the Drâa-Tafilalet area about southwest of the town of M'Hamid El Ghizlane. Some dunes are over 50m above the surrounding landscape. The north border is represented by Djebel Bani, the east border is represented by M'Hamid

hamada A hamada (, ) is a type of desert landscape consisting of high, largely barren, hard rocky (basalt) plateaus, where most of the sand has been removed by Aeolian processes#Wind erosion, deflation. The majority of the Sahara is hamada. Other e ...

. To the southeast is the Erg Smar, adjacent to Erg Ezzahar, and to the west is the Iriki Lake, a dried lake now part of the Iriqui National Park since 1994.

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{{coord, 29.8278, N, 6.2500, W, source:wikidata, display=title Sahara Ergs of Africa Landforms of Morocco Zagora Province