Depart from Nairobi hotel for Olorgesailie, driving up the slopes of Ngong Hills before descending into the Great Rift Valley and Maasai land. The site was once a hunter’s camp on the edge of a now-vanished lake. The area has been well excavated and a knowledgeable guide is available to take you on a fascinating walk. There is a small museum on the site. Drive back to Nairobi in the afternoon, drop off at the hotel.

Olorgesailie Prehistoric Site is located on the floor of the Great Rift Valley between two extinct volcanoes, Mt. Olorgesailie and Oldonyo Esakut to the south-west of Nairobi, Kenya. Olorgesailie area is in a lake basin that existed during the latter part of the middle Pleistocene period, probably between 200,000 and 100,000 years ago. Discovered by Louis and Mary Leakey in the 1940s, Olorgesailie was excavated by Glynn Isaac as his dissertation research during the 1960s.