Olorgesailie

Important Lower Palaeolithic site south of Nairobi in southern Kenya; the area of Mount Olorgesailie was where the Rift Valley was first recognized. It had an informative Earlier Stone Age Acheulian industry with hand axes, cleavers, and other stone artifacts dating to 900,000-700,000 years ago. Baboons were hunted in large numbers.

An important Lower Palaeolithic site south of Nairobi in Kenya; the area of Mount Olorgesailie was where the Rift Valley was first recognized. One of the richest discoveries of hand axes was made here in deposits of silts of mainly volcanic origin. Baboons were hunted in large numbers. The site was occupied possibly about 400,000 years ago.