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Mount Ol Doinyo Lengai Expedition

3 Days / 2 Nights — Trek the sacred "Mountain of God", Earth's only active natrocarbonatite volcano rising high above the Great Rift Valley.

Overview & Geology

Discover the unique natural phenomena of Africa's most extraordinary active volcano.

Rising dramatically above the East African Rift Valley south of Lake Natron, Mount Ol Doinyo Lengai (2,960 meters / 9,711 feet)—known to the Maasai as the "Mountain of God"—is one of the world's most unique active volcanoes. It is famous globally as the only active volcano that erupts natrocarbonatite lava, a rare, silica-poor lava with exceptional properties.

Unique Temperature

Erupts at just 510°C (950°F), roughly half the heat of typical basaltic lava (>1,100°C), making it the coolest active lava on Earth.

Viscosity & Flow

Extremely fluid—flowing almost like water or dark oil during the day—and glowing a dark orange at night in dramatic contrast.

Color Transformation

Newly solidified lava is jet black with glittering crystals. Upon contact with air and moisture, chemical reactions turn the rock bright white within hours or days, eventually weathering into a soft brown powder.

Expedition Summary

Key details at a glance for your upcoming volcanic trek.

Feature Details
Duration 3 Days / 2 Nights
Starting Point Arusha or Moshi
Difficulty Level Strenuous / Steep Night Climb
Price $850 USD per person
Base Camp Giraffe Eco Camp (Ngaresero Village)

Detailed Itinerary

Your step-by-step 3-day journey to the summit and back.

Day 1: Arusha/Moshi to Lake Natron (Ngaresero Village)
  • 07:00 AM Depart Arusha or Moshi with your African Traces guide for a scenic 5- to 6-hour drive through the Great Rift Valley landscape to Ngaresero Village near Lake Natron.
  • Afternoon Enjoy your packed lunch and take a guided afternoon walk around Lake Natron to view flamingos or visit the local Ngaresero waterfalls.
  • Evening Dinner and overnight rest at Giraffe Eco Camp to prepare for the midnight ascent.
Day 2: Night Summit Trek & Descent
  • 01:00 AM Transfer by 4x4 jeep to the base of Ol Doinyo Lengai. Begin the steep, thrilling midnight climb under the stars to beat the intense sun.
  • Sunrise Reach the crater rim (2,960 m) at dawn to catch the sunrise over the Rift Valley floor and inspect the active volcanic vents.
  • Descent & Rest Trek back down to the base where your jeep driver waits to return you to Giraffe Eco Camp for a hot shower, rest, and dinner.
Day 3: Lake Natron to Arusha / Moshi
  • Morning Enjoy a relaxed breakfast at camp while taking in final views of the volcanic landscape.
  • Return Board your safari vehicle for the return drive to Arusha or Moshi, completing your trek.

Recommended Gear & Clothing Checklist

Ensure you have all the necessary gear for a safe and comfortable ascent.

Headwear & Protection

  • Sun hat
  • UV sunglasses
  • Headlamp/head torch (with extra batteries)
  • Dust buff or gaiter

Clothing Layers

  • Breathable rain shell
  • Light fleece jacket
  • 2x long-sleeve performance shirts
  • Convertible/zip-off hiking trousers
  • Waterproof pants

Footwear

  • Sturdy hiking boots with ankle support
  • Gaiters (to keep out loose volcanic ash/scree)
  • 3 pairs of moisture-wicking socks
  • Camp sandals/Tevas

Essential Equipment

  • Trekking poles (strongly advised for steep ash slopes)
  • Water bladders/bottles holding at least 3 liters of water

Ready to Climb the Mountain of God?

Contact our expert mountain guides to book your Ol Doinyo Lengai expedition or tailor a custom itinerary.

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