| Omo River |
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| archaeological sites in ethiopia | |
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The Omo is an important river of southern Ethiopia . Its most important tributary is the Gibe River ; smaller tributaries include the Wabi, Mago and Gojeb Rivers. This river rises in the Shoan highlands and is a perennial river with many affluents. According to the ''Statistical Abstract of Ethiopia for 1967/68'', the Omo River is 760 kilometers long. In its course it has a total fall of about 6000 ft (2,000 m), from an elevation of 7600 ft at its source to 1600 ft at lake-level, and is consequently a very rapid stream, being broken by the Kokobi and other falls, and navigable only for a short distance above where it empties into Lake Turkana , one of the lakes of the Great Rift Valley . The Omo River formed the eastern boundaries for the former kingdoms of Janjero , and Garo . The Omo also flows past the Mago and Omo National Park s, which are known for their wildlife. HUMAN IMPACT The lower valley of the Omo is unlike any other place on Earth in that so many different types of people inhabit such a small bit of land. Experts believe that for thousands of years it was a crossroads of a wide assortment of cultures where early humans of many different ethnicities passed as they migrated from and to lands in every direction. To this day, the cultures and people of the Lower Valley of the Omo are studied for their incredible Diversity . The entire Omo river basin is also important geologically and archaeologically. Several hominid fossils and archaeological locatities, dating to the Pliocene and Pleistocene , have been excavated by French and American teams. Fossils belonging to the genera '' Australopithecine '' and '' Homo '' have been found at several archaeological sites, as well as tools made from Quartzite , the oldest of which date back to about 2.4 million years ago. Because of this, the site was designated a UNESCO World Heritage Site in 1980 . When they were discovered it was thought that the tools may have been part of a so-called pre-Oldowan industry, even more primitive than what was found in the Oldupai Gorge . Later research has shown that the crude looks of the tools were in fact caused by very poor raw materials, and that the techniques used and the shapes permit their inclusion in the Oldowan . SEE ALSO |