Chesowanja is a Kenian archaeological site located in the north of the Kenya Rift Valley, east of Lake Baringo. The Chesowanja sites consist of quaternary sediments. The sites are home to various discoveries like fossils, evidence of human activity over a period of 2 million years and the remains of Australopithecus. Also, artefacts belonging to Oldowan technology, Acheulean tradition and later stone industries have been found.