Olorgesailie prehistoric museum is Located along Magadi road, an hour's drive and 70kms away from Nairobi. Olorgesailie pre-historic site is world renown as the "factory of stone tools" and the only place in the world with the largest number; the site has excellently preserved biological and cultural evidence about the evolution of man. Activities around the museum include the museum visit, bird watching and mountain climbing on Olorgesailie Mountain. It takes about 2.5 hours climbing on this mountain. Unless doing mountain climbing, a visit to the museum should take not more than 3 hours and later drive to Lake Magadi for overnight, hot springs bath and bird watching.