Mount Ol Donyo Lengai, known as the “Mountain of God” in the Maasai language, is a unique active volcano located in northern Tanzania within the Great Rift Valley. Rising to 2,962 meters (9,718 feet), it is the only volcano in the world that erupts natrocarbonatite lava, a rare, cool, and fast-flowing type of lava. The landscape surrounding the mountain is strikingly dramatic, with views over Lake Natron, deep valleys, and rugged terrain. This lesser-known destination offers an off-the-beaten-path adventure for hikers and geology enthusiasts alike.
Climbing this sacred peak is a thrilling challenge, typically starting at night to reach the summit by sunrise for breathtaking views over the Rift Valley and surrounding plains. Beyond the adventure, the mountain holds deep spiritual significance to the local Maasai people, offering travelers a rich cultural experience. Whether you’re seeking a unique volcanic trek or a deeper connection with Tanzania’s natural and cultural heritage, this remarkable destination promises an unforgettable journey.
Arusha
Arusha
All ground transfers
4566 Meaters
All listed meals
Camping
English, French & Spanish
June to October & December to March
Minimum 2 people
Private Camping & Midrange
80
13
Upon arrival at Kilimanjaro International Airport (JRO) or Arusha Airport (ARK), a friendly staff member from Safari horizons will be there to welcome you. You will then be transferred to your hotel in Arusha, where you can relax after your journey. In the evening, you will have a safari briefing, where our team will go over your itinerary, answer any questions, and ensure you are well-prepared for your adventure. Get a good night’s rest—your unforgettable safari begins tomorrow
Accommodation
✓ Name: Tulia lodge
✓ Type: Hotel
✓ Level: Mid-range
Accommodation: Tented lodge/camp with views of Lengai
Meals included: Lunch & Dinner
Accommodation: Tented lodge/camp
Meals included: Breakfast, Lunch & Dinner
Relaxed morning with breakfast
Optional cultural visit to a local Maasai village
Depart Lake Natron and drive back to Arusha or Moshi
Drop-off at your hotel or airport in the afternoon/evening
✓ Name: Tulia lodge
✓ Type: Hotel
✓ Level: Mid-range
Rest in the hotel and transfer to the airport.
Please note: Hotel check-out is at 10:00 AM. In case you need a late check-out because of an evening flight, there is the option to extend your hotel stay for an extra fee.
Standard itineraries span 7–9 days on the mountain, with the preferred 8‑day schedule offering optimal acclimatization
It’s rated moderately difficult: you’ll cover ~12 km/day at high altitude and tackle steep scree on summit night. Prior multi‑day hiking and gym prep are strongly advised
The eight‑day Lemosho Route boasts ~85–90% success, thanks to its gradual ascent profile
January–March and June–October are the driest, most stable months; peak season (July–September) sees larger crowds but very reliable weather
Key items: three–season sleeping bag, waterproof trekking boots, layered clothing (base‑mid‑insulation‑shell), warm hat/gloves, trekking poles, headlamp and sun protection
Each group is backed by English‑speaking guides, cooks and porters (1 guide:4 clients; 1 porter per 15 kg of your luggage) who set up camps, prepare meals and carry gear