Mt. Ol Doinyo Lengai
Tour Overview
Ol Doinyo Lengai — known as the “Mountain of God” in the Maasai language — is a truly unique and sacred volcano in northern Tanzania, and the only active carbonatite volcano in the world.
About Ol Doinyo Lengai
Height: 2,962 meters (9,718 feet)
Location: Lake Natron area, northern Tanzania
Type: Active stratovolcano (last eruption in 2023)
Cultural Significance: Sacred to the Maasai people
Why Climb Ol Doinyo Lengai?
Offers a challenging night hike up a steep volcanic cone
Experience live volcanic activity (when safe)
Breathtaking views of Lake Natron, the Gregory Rift Valley, and Mount Kilimanjaro on clear days
Opportunity to visit Maasai villages and Lake Natron flamingos
The journey begins early in the morning with departure from Arusha or Moshi, heading north toward the remote volcanic landscapes of Lake Natron in the Great Rift Valley. The drive takes approximately seven hours and passes through rural Maasai lands, open savannah, and dramatic escarpments. As the route approaches Lake Natron, Ol Doinyo Lengai rises prominently above the plains, holding deep spiritual significance for the Maasai people.
Upon arrival at the camp near Lake Natron, guests have time to settle in, hydrate, and receive a briefing for the night hike. Dinner is served early, followed by a short rest. The ascent of Ol Doinyo Lengai begins around midnight, accompanied by an experienced Maasai mountain guide whose local knowledge is essential for navigating the steep volcanic terrain.
The climb is demanding, with loose ash, sharp lava rock, and sustained steep sections requiring steady pacing and careful foot placement. The ascent typically takes five to six hours, culminating at the summit around sunrise. From the peak, breathtaking views unfold across Lake Natron and the Great Rift Valley, with Mount Meru and Kilimanjaro visible in clear conditions. After spending time at the summit, the descent begins carefully back to the base of the mountain, where the vehicle awaits for the return transfer to camp.
Meals: Lunch & Dinner
Accommodation: Tented camp / lodge at Lake Natron
This day is dedicated to recovery after the strenuous climb and to enjoying the unique natural environment of Lake Natron. The morning is unhurried, allowing time for rest and relaxation at camp. Later in the day, guided excursions introduce guests to the remarkable features of the lake and its surroundings.
Lake Natron is a shallow alkaline lake renowned as the primary breeding ground for approximately three-quarters of the world’s Lesser Flamingo population. A guided walk along the lakeshore offers opportunities to observe flamingos and other birdlife while learning about the lake’s extreme chemistry, volcanic origins, and ecological importance. Depending on conditions, additional activities may include exploring nearby streams, short nature walks, or visiting areas where mineral deposits create striking natural patterns and reflections.
The afternoon is spent at leisure, with time to enjoy the stark beauty of the Rift Valley, cool off in natural springs if available, and reflect on the previous night’s ascent. Dinner is served at camp, followed by a relaxed evening under the stars.
Meals: Breakfast, Lunch, Dinner
Accommodation: Tented camp / lodge at Lake Natron
After breakfast, the return journey to Arusha or Moshi begins. The drive retraces the scenic route through Maasai lands and Rift Valley landscapes, offering final views of Ol Doinyo Lengai and the surrounding volcanic terrain. Arrival in Arusha or Moshi is expected in the late afternoon, where guests are dropped off at their hotel or designated location.
Meals: Breakfast, Lunch
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