Oldupai Gorge is an archaeological site as well as a UNESCO World Heritage site in the Ngorongoro Conservation Area (NCA), between Serengeti National Park and Ngorongoro Crater in north-central Tanania. The name is Maasai for the sisal growing in the area.

The Oldupai Gorge consists of 7 stratographic formations fossilised deposits of hominids which have been maintained and is all about 48km long, showing rudimentary scientific data.

Dr Louis Leakey popularly called Nutracker Man due to its own big molars accommodated to your vegetarian diet, and later reclassified as Australopithecus boisoi named 1959 boisoi. Skull fragments in the first humans Homo habilis and Homo erectus had additionally been discovered in the 2nd earliest formation dating back 1.15-1.7 million years past. Artefacts used as rock tools in the Acheulean and Oldovan industries were also maintained for as many as 1.7 million years. Mary Leakey additionally found 3.75 million year old footprints of human ancestors maintained in nearby Laetoli, dropping crucial evidence that human ancestors walked erect.

Other fossils maintained at times of quaternary ages in Ngaloba, Eyasi and Ndutu and their evolution in the NCA bear significant evidence that people evolved in East Africa.

With such a rich history in human evolution tours to Oldupai Gorge are full of insights and educational.