The Tebaga Gap of southern

Tunisia ) , image_map = Tunisia location (orthographic projection).svg , map_caption = Location of Tunisia in northern Africa , image_map2 = , capital = Tunis , largest_city = capital , ...

is a low

mountain pass A mountain pass is a navigable route through a mountain range or over a ridge. Since many of the world's mountain ranges have presented formidable barriers to travel, passes have played a key role in trade, war, and both human and animal migr ...

located in rough rocky broken country giving entry to the inhabited

coastal plain A coastal plain is flat, low-lying land adjacent to a sea coast. A fall line commonly marks the border between a coastal plain and a piedmont area. Some of the largest coastal plains are in Alaska and the southeastern United States. The Gulf Co ...

to the north and east from much less hospitable desert dominated terrain in southern and south-western Tunisia. The pass separates the

Matmata hills Matmata ( ar, مطماطة '; Berber: ⵎⴰⵜⵎⴰⵜⴰ) is a small Berber speaking town in southern Tunisia. Some of the local Berber residents live in traditional underground " troglodyte" structures. In 2004 it had a population of 2,11 ...

to the east running roughly north to south from the Djebel Tebaga hills, another line of high ground to the west of the gap running east–west. The terrain of the region about the pass was of great tactical importance during the

Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposi ...

in 1939–1940 and in 1943.. North and west of this region is the

great salt lake The Great Salt Lake is the largest saltwater lake in the Western Hemisphere and the eighth-largest terminal lake in the world. It lies in the northern part of the U.S. state of Utah and has a substantial impact upon the local climate, particu ...

known as the

Chott el Djerid Chott el Djerid ( ar, شط الجريد ') also spelled ''Sciott Gerid'' and ''Shott el Jerid'', is a chott, a large endorheic salt lake in southern Tunisia. The name can be translated from the Arabic into English as "Lagoon of the Land of Palms". ...

or Chotts. West of the Matmata Hills, the terrain is dry country, the

Jebel Dahar Jebel Dahar (french: Djebel Dahar) is a low sandstone mountain chain of the Médenine Governorate of Tunisia. Geography The chain is oriented on a north-south axis, bisecting the south of Tunisia. At the northern end, it meets the east-west-orie ...

, and then impassable sand of the

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 k ...

. The

oasis In ecology, an oasis (; ) is a fertile area of a desert or semi-desert environment'ksar''with its surrounding feeding source, the palm grove, within a relational and circulatory nomadic system.” The location of oases has been of critical imp ...

town of

Gabès Gabès (, ; ar, قابس, ), also spelled Cabès, Cabes, Kabes, Gabbs and Gaps, is the capital city of the Gabès Governorate in Tunisia. It is located on the coast of the Gulf of Gabès. With a population of 152,921, Gabès is the 6th largest ...

lies on the coast where the plain meets the route from the Tebaga Gap. North of Gabès, the road to

Sfax Sfax (; ar, صفاقس, Ṣafāqis ) is a city in Tunisia, located southeast of Tunis. The city, founded in AD849 on the ruins of Berber Taparura, is the capital of the Sfax Governorate (about 955,421 inhabitants in 2014), and a Mediterrane ...

, an ancient caravan route to

Libya Libya (; ar, ليبيا, Lībiyā), officially the State of Libya ( ar, دولة ليبيا, Dawlat Lībiyā), is a country in the Maghreb region in North Africa. It is bordered by the Mediterranean Sea to the north, Egypt to the east, Suda ...

and points east, passes between the sea and the Chotts and this was Montgomery's only route north, a way blocked by the Mareth Line. Many buildings in the region are subterranean because of the harsh desert temperature changes and lack of moisture.

See also