
Arusha Region, Tanzania
Ol Doinyo Lengai
An active, unique carbonatite volcano in northern Tanzania offering challenging trekking and dramatic rift valley views.
Discover
Ol Doinyo Lengai, known as the Mountain of God to the Maasai, is an active stratovolcano located in the East African Rift. It is unique for being the only volcano in the world that erupts natrocarbonatite lava, which is cooler and less viscous than typical basaltic lava. The mountain is a popular destination for adventurous hikers seeking a challenging ascent and otherworldly volcanic landscapes.





Why visit
Ol Doinyo Lengai
Offers a rare, world-class geological experience for adventure travelers and photographers looking for a unique, high-intensity trekking challenge in East Africa.
Planning notes
Best time to visit
The dry season is best for trekking to avoid slippery trails and heavy cloud cover.
The climb is physically demanding and typically begins at midnight to reach the summit by sunrise. A local guide is mandatory for all climbers. Access is via 4x4 vehicles from Arusha or Mto wa Mbu, and permits must be arranged through local authorities or tour operators.
Dry conditions and clear skies ideal for climbing.
Cooler temperatures and minimal rainfall.
Excellent visibility and stable weather.
Good conditions before the short rains begin.
Location
Arusha Region, Tanzania
-2.7595, 35.9141