Day 1 - Arusha - Lake Natron (Ngare Sero)
Departing Arusha in the morning you drive to Mtu-wa Mbu (Lake Manyara) for lunch. After lunch you drive north along the bottom of the Great Rift Valley wall to Lake Natron and the village of Ngare Sero at the base of Ol Doinyo Lengai. Overnight at a campsite by the lake.
Day 2 - Lake Natron - Ngare Sero to Ol Doinyo Lengai
From Lake Natron to Ngare Sero is a 3-hour walk. Lengai is best approached from the west. Between Ngare Sero and Lengai's lower slopes is another 3 hours walk. The vehicle will go o¬n ahead here so that it is there to take you up this large gully and so saving you at least 6 hours of walking. Overnight camp in the gully.
Day 3 - Ol Doinyo Lengai summit and back to Lake Natron campsite
A very early start in order to gain as much height as possible in the cool of the morning. Sun hats and a large water in-take are essential. Descend by the same route.
Great care should be taken on the way down: loose volcanic gravel on bare rock makes it perilous going in places. Overnight at the Lake Natron camp site.
Day 4 - Lake Natron - Arusha Town
Departing after breakfast you drive back to Arusha town. Drop-off.