Ol Doinyo Lengai
Trek Africa’s Only Active Carbonatite Volcano, also known as The Mountain of God
Near Lake Natron, Northern Tanzania
Ol Doinyo Lengai, meaning “Mountain of God” in the Maasai language, is an active volcano located in northern Tanzania near Lake Natron.
It is the only volcano in the world that erupts carbonatite lava, making it geologically unique. Standing at approximately 2,962 meters, it offers one of the most challenging and adventurous climbs in East Africa.
Unlike Kilimanjaro or Meru, Lengai is a steep overnight climb, usually starting at midnight to reach the summit at sunrise.
Why Climb Ol Doinyo Lengai
- World’s only active carbonatite volcano
- Unforgettable sunrise views over the Rift Valley
- Sacred to the Maasai culture and traditions
- Sacred to the Maasai culture and traditions
- Close to Lake Natron and hidden waterfalls
- Steep slopes (up to 45° incline) make it one of Tanzania’s most physically demanding climbs.
Quick Facts & Routes (overview)
Trekking Routes
- Start: Midnight (12:00 AM)
- Duration: 5–7 hours ascent
- Descent: 3–4 hours
- Difficulty: Hard / Very Steep
- Terrain: Loose volcanic ash & rock
- Requires good physical fitness.
Quick Facts
- Location: Near Lake Natron, Northern Tanzania
- Type: Active volcano
- Elevation: 2,962 meters
- Climb Time: 6–10 hours (round trip)
- Unique Feature: Only active carbonatite volcano in the world
What to Expect
Terrain
- Loose ash → rocky volcanic slopes → narrow summit ridge
Guides
- Local experienced mountain guides required
Accommodation
- Lake Natron campsites
- Tented camps or lodges nearby
Best Time to Climb
- June – October (Dry season)
- January – February
- Avoid heavy rainy season (March–May)