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Qohaito is a plateau located at an elevation of about 2,600 m and 2,700 m above sea level. Situated between the Wadi-Haddas and the Wadi-Komaile the high mountain range gives way to a flat plateau, which extends about 16km in the south-north direction and varies between 4km and 400 meters in the shorter direction east-west. The total area is 32 square kilometers and the perimeter of the escarpment reaches about 84 kilometers.
The physical environment has stunning attributes with steep, rocky escarpment at all sides of the plateau and wide views to the high mountain ranges to the culminating at Ambasoira, the highest mountain in Eritrea reaching a height of 3,018 m above sea level. On a clear day the Red Sea can be seen from the lofty height of Qohaito.
In antiquity, Qohaito developed and prospered before the rise of Aksum as one of the precursors of the Aksumite civilizations and developed a complex society during the heyday of Aksum around 100-700 A.D. As part of a dominating regional civilization expanding from present day Sudan to the southern part of the Arabian Peninsula the ancient inhabitants of Qohaito benefited from extensive local trading networks as well as from foreign relations with the Roman and Byzantine Empires.
The ancient port of Adulis on the Red Sea coast was the empire's main emporium where two main routes lead into the highlands, either through Wadi-Haddas, or through Wadi-Komaile and both are passing close to the Qohaito plateau. Occupying a strategically important location Qohaito would be able to intercept and benefit from trade caravans travelling to and from Aksum. The high number of ancient urban centers reinforces the sentiment that the whole mountain area of the southern part of present day Eritrea was densely populated during the first millennium A.D. and a close interaction took place between the urban zones and the rural areas creating an interrelated commercial network depending on an extensive subsistence farming and cattle herding.
From the sheer number of archaeological remains it is obvious that Qohaito had an important position in the region, but very little is known about the socio-economic background of the ancient society, which developed as independent settlement at the Qohaito plateau.
The area seems to have been abandoned sometime around 900 A.D. and was subsequently left in relative isolation for centuries, until foreign travelers heard about this exceptional place in the middle of the 19th century and again made it known to the outside world through their travel accounts about the enigmatic archaeological monuments and sites on the plateau.
The Saho population in Qohaito, have occupied the plateau for centuries as pastoralists and farmers exploiting the scarce resources to sustain a livelihood on the plateau, which is marginal to human existence. The fields are used for grazing of highland cattle during the raining season and in the following months until the grass has been eaten away. Most of the livestock are then taken to the lowland to benefit from the winter rain there by early December, only to return to the plateau when the summer rain starts in June and the sowing of the fields has to take place.
The village setting and the vernacular architecture is so far preserved practically undisturbed by modern changes. However, the cost of maintaining and building traditional houses has become prohibitively high and the timber for the construction is no longer locally available in the required dimensions. These houses are now precious historic houses that need preservation as examples of a regional vernacular building tradition, which may not survive in other places.