Ol Doinyo Lengai trekking is one of the most unique, intense, and adventurous ways to reach the summit of an active volcano in the East African Rift Valley. Known for its steep, ash-covered slopes, otherworldly lunar landscape, and remote atmosphere, the Ol Doinyo Lengai climb is favored by intrepid trekkers seeking a physically demanding challenge with a true wilderness experience. Beginning on the rugged plains of Lake Natron, the trail rapidly ascends the “Mountain of God,” navigating narrow volcanic ribs before reaching the high-altitude crater rim.
The climb offers breathtaking, stark landscapes as trekkers move from the arid, sun-scorched foothills into a dramatic, high-altitude environment dominated by volcanic ash and steaming vents. The trail is significantly steeper and more physically punishing than traditional mountain hikes, making the ascent a test of endurance, but it rewards climbers with surreal, panoramic views of Lake Natron, the Great Rift Valley, and the constant thrill of standing on an active geological marvel.
The highlight of the adventure comes during the midnight summit ascent, where trekkers navigate the steep, shifting volcanic scree to reach the active crater rim just as the sun rises over the African plains. With experienced local Maasai mountain guides, dedicated support staff, nourishing meals, quality camping equipment, and full logistical support from Kilimanjaro Raven Company, this specialized trek delivers an unforgettable combination of extreme challenge, geological wonder, and achievement on the legendary Ol Doinyo Lengai.



Upon arrival at Kilimanjaro International Airport, you will be welcomed by the Kilimanjaro Raven Company team and transferred to your hotel in Arusha. In the evening, meet your expert Maasai guide for a detailed briefing on the volcanic terrain and safety protocols for the climb ahead.
Organize your gear and rest before your expedition to the "Mountain of God."
— Accommodation: Budget, Midrange or Luxury Hotel in ArushaDistance: 200 km | Drive Time: 5–6 hours
After breakfast, drive through the scenic Rift Valley toward Lake Natron. This remote area offers a stark, beautiful contrast to the lush mountain slopes of other regions. Upon arrival, we take an acclimatization walk to the Ngare Sero waterfalls to stretch your legs.
The base camp at Lake Natron provides a unique perspective of Ol Doinyo Lengai towering above the plains.
— Accommodation: Tented Camp at Lake NatronElevation: Base to 2,886m | Hiking Time: 8–10 hours (Round trip)
We begin our summit attempt just before midnight to avoid the midday heat. The ascent is steep and requires navigating through volcanic scree and narrow, challenging ridges. This is a true test of physical endurance.
Reach the active crater rim at sunrise for a breathtaking, panoramic view of the Great Rift Valley. After exploring the steaming vents and lunar-like landscape, descend safely to base camp for a well-deserved rest.
— Accommodation: Tented Camp at Lake NatronDistance: 200 km | Drive Time: 5–6 hours
After a slow morning, visit a local Maasai Boma to learn about the cultural significance of the mountain and the traditions of the local people. Depending on the season, we may take time to view the flamingo breeding grounds at Lake Natron.
In the afternoon, depart for the drive back to Arusha to conclude your incredible volcanic expedition.
— Accommodation: Budget, Midrange or Luxury Hotel in ArushaDepending on your flight schedule, transfer to Kilimanjaro International Airport for your onward journey. Kilimanjaro Raven Company can assist in arranging seamless extensions for those continuing with a safari or a relaxing trip to the beaches of Zanzibar.
At a Glance
Tour Price From
$ 1,050
Per person, based on double occupancy
Fastest way to get a response
Our safari experts are available 7 days a week. Ask anything — from itinerary advice to availability checks. We typically respond within minutes during business hours.
Mon – Sat, 8am – 6pm EAT
Response within 24 hours