<P> The Olduvai Gorge or Oldupai Gorge in Tanzania is one of the most important paleoanthropological sites in the world ; it has proven invaluable in furthering our understanding of early human evolution . A steep - sided ravine in the Great Rift Valley that stretches across East Africa , it is about 48 km ( 30 mi ) long , and is located in the eastern Serengeti Plains in the Arusha Region not far , about 45 kilometres ( 28 miles ) , from Laetoli , another important archaeological site of early human occupation . The British / Kenyan paleoanthropologist - archeologist team Mary and Louis Leakey established and developed the excavation and research programs at Olduvai Gorge which achieved great advances of human knowledge and world - renowned status . </P>
<P> The Olduvai Gorge or Oldupai Gorge in Tanzania is one of the most important paleoanthropological sites in the world ; it has proven invaluable in furthering our understanding of early human evolution . A steep - sided ravine in the Great Rift Valley that stretches across East Africa , it is about 48 km ( 30 mi ) long , and is located in the eastern Serengeti Plains in the Arusha Region not far , about 45 kilometres ( 28 miles ) , from Laetoli , another important archaeological site of early human occupation . The British / Kenyan paleoanthropologist - archeologist team Mary and Louis Leakey established and developed the excavation and research programs at Olduvai Gorge which achieved great advances of human knowledge and world - renowned status . </P>
where is olduvai gorge located ( what countries )
where is olduvai gorge located ( what countries )
Tanzania
Tanzania