Ol donyo lengai

Overview

Oldonyo Lengai Tanzania stands as the world’s only active natrocarbonatite volcano, revered as the sacred “Mountain of God” by Maasai communities. This extraordinary volcanic peak rises 2,962 meters above the Rift Valley floor, creating dramatic landscapes between Lake Natron and Ngorongoro Crater. Oldonyo Lengai climbing challenges adventurous trekkers with steep ascents through volcanic ash and rocky terrain.

Active crater displays mesmerizing natrocarbonatite lava flows that appear black during daylight but glow brilliantly at night. Oldonyo Lengai hiking typically begins at midnight, allowing climbers to reach the summit for spectacular sunrise views over the Great Rift Valley. Cultural experiences combine with adventure as Maasai guides share traditional stories about this sacred mountain.

Safari Tours to Ol donyo lengai

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Accommodations in Ol donyo lengai

Lake Ndutu Luxury Tented Lodge

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Ishasha Jungle Lodge

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Haven Lodge (Buhoma Sector)

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Ichumbi Hotel (Kisoro)

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Travellers Rest Hotel

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Marafiki Safari Lodge

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The Haven – Eco River Lodge

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Park View Safari Lodge

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Buffalo Safari Lodge

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FAQ about Ol donyo lengai

Ol Doinyo Lengai is an active volcano located in northern Tanzania, within the East African Rift Valley. It stands majestically south of Lake Natron, approximately 120 kilometers northwest of Arusha city, within the Ngorongoro Conservation Area.

Ol Doinyo Lengai is globally unique because it is the only active volcano in the world that erupts natrocarbonatite lava.

  • Low Temperature Lava: Unlike typical silicate lavas (like basalt) that are over 1000°C, Lengai’s natrocarbonatite lava is incredibly cool, erupting at temperatures between 500-600°C (around 1,000°F).
  • Appearance: This lava flows black when fresh, but rapidly turns white or grey upon exposure to the air and moisture, resembling snow or a “chemical frost.”
  • Fluidity: The lava is exceptionally fluid, almost like water, and flows very quickly.

Yes, Ol Doinyo Lengai is an active stratovolcano with a documented history of eruptions since the late 19th century. Its activity typically alternates between:

  • Effusive Phases: Characterized by quiet outflows of natrocarbonatite lava within its northern summit crater, forming small cones (hornitos) and lava flows. This is the more common, continuous activity.
  • Explosive Phases: Less frequent but more dramatic, involving ash ejections and changes to the crater morphology. Significant explosive eruptions have occurred in periods like 1917, 1940, 1966, 1983, 1993, and 2007-2008. The volcano has been continuously active since April 2017 with ongoing thermal activity and small lava flows in its summit crater.

To the indigenous Maasai people, Ol Doinyo Lengai is profoundly sacred. Its name translates to “Mountain of God” in the Maasai language.

  • Dwelling of Enkai: They believe it is the dwelling place of their god, Enkai.
  • Spiritual Site: It is a vital site for prayers, offerings, and religious ceremonies, deeply woven into their belief system.
  • Divine Communication: Its periodic eruptions are often interpreted as signs or messages from Enkai, reinforcing its spiritual centrality to the Maasai worldview. Climbing it can be seen as a pilgrimage.

Climbing Ol Doinyo Lengai is a challenging and demanding trek, often considered East Africa’s most difficult single-day climb.

  • Night Climb: Ascents typically begin around midnight to avoid the intense daytime heat and aim to reach the summit for a spectacular sunrise.
  • Steep & Loose Terrain: The climb is very steep, with sections of loose volcanic ash, scree, and rocky terrain that require scrambling (often on hands and knees) and careful footing. Trekking poles are highly recommended.
  • Altitude: The summit reaches approximately 2,962 meters (9,718 feet) above sea level, requiring a good level of fitness.
  • Duration: The ascent generally takes 4-8 hours, and the descent 4-6 hours, making it an 8-12 hour round trip. The descent can be even trickier due to the loose ground.
  • Rewarding Views: The reward is immense: panoramic views of the Great Rift Valley, Lake Natron’s vivid colors, Mount Meru, and Mount Kilimanjaro (on clear days), along with the unique sight of the active crater with its low-temperature lava flows.

The dry season (June to October) is generally considered the best time to climb due to more stable weather and drier trails. The short dry season (January to February) can also be good. Avoid the main rainy season (mid-March to May) as the terrain becomes very slippery and dangerous.

Yes, absolutely! The region around Ol Doinyo Lengai and Lake Natron offers many activities without climbing the volcano:

  • Lake Natron: Visit the highly alkaline, often vibrant red Lake Natron, a critical breeding ground for Lesser Flamingos.
  • Engare Sero Waterfalls: Hike to the beautiful Engare Sero waterfalls and cool off in their plunge pools.
  • Maasai Cultural Visits: Immerse yourself in the traditional Maasai way of life through village visits.
  • Wildlife Viewing: The area is home to various wildlife adapted to the arid environment, including giraffes, zebras, and various antelopes. Birdwatching is also excellent around Lake Natron.

Ol Doinyo Lengai erupts natrocarbonatite lava. This is an extremely rare type of volcanic rock composed primarily of sodium, potassium, and calcium carbonates, with very low silica content. This unique chemical composition is responsible for its unusually low eruption temperature, high fluidity, and the distinctive way it changes color after exposure to the atmosphere.

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Here’s what our travelers have to say about their experiences with Weguide African Safaris

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Hiked Kilimanjaro (6 days) and went on a Safari (5 days Kilimanjaro Hike was amazing! Our guide (Mollel) and porters were all excellent. They were each knowledgable, encouraging and friendly. They took time to get to know us and understand our needs. They helped us feel comfortable with the challenge and enabled us to enjoy our trek from start to finish!Our Safari was equally outstanding! Again, we had terrific guides (Sam & Tembo). They, too, were knowledgable, accommodating and made each day a super fun adventure for all of us! They were incredible at tracking down all of the Big 5! They even found the black rhinos!The Value for the Money was unreal, as well. I would 100% recommend Soul of Tanzania to anyone who is looking for a once-in-a-lifetime Tanzanian experience!
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Shairanking F
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Unforgettable Safari and experience at its best Journey to Africa My friend and I did a 8 day Safari, starting in Tarangire NP, Serengeti central and South (Ndutu) with big Migration, Ngorongoro crater and Lake Tanganyika. All planning including our wishes and suggestions from Weguide Safari what is best for the time we were traveling were done with WhatsApp. The communication was very easy with very quick respondSo we had an excellent Safari with weguide africa safaris with nice, safe and quite large accommodations and tented camps, including good food.I think our guide Mollel will be the best guide you can find. He has a very good knowledge about animals and their behavior, wildlife and Tanzania culture. Besides he is helpful, friendly and a very good and save driver.We have seen all Big 5 and a great number of other animals living there.He even could find animals hidden under bushes or in trees in a great distance and getting closer we could watch them very, very nearby.My brother with family did the Safari before us with Guide Kennedy. and we all together have the same opinion that this Safari couldn't be topped.It was my best Safari I've done until now and I couldn't imagine getting something better. So much wildlife!!!!I would it recommend to 100%
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GreengatePeter
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SOLO TRIP TO TANZANIA SAFARI WITH WEGUIDE AFRICA SAFARIS ( 100% I RECCOMENDED WEGUID FOR SOLO TRAVELLERS) Tanzania as a safari destination has it all: if this is your first safari and your driving ambition is to get some amazing sightings and to rack up the big 5 as soon as possible then Ngorongoro Conservation Area is probably the best place in the world. Head for the Serengeti, however, if you have time for a longer safari and your goal is to take time to roam – moving as a nomad with the vast herds, or simply skitting across the savannah between the rock outcrops that are the lookout posts of the Serengeti prides. The Serengeti remains for me (alongside Botswana’s Kalahari) as one of the very best places in the world to experience the awe-inspiring vastness of the African wilderness. There is no feeling like being in the middle of the incomparable immensity of the savannah with no other vehicle in sight and a herd of wildebeest stretching as far as the eye can see towards the horizon.
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GoPlaces65996083400
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Tanzanian Romantic Safari for Couple Unforgettable honeymoon - safari & beach holidayOverall, great experience with WeGuide Celia has been extremely helpful in tailoring the itinerary for the safari and has assisted us all along the process.Our guide, Sam, and was always on time and truly did his best to show us all the possible animals within the visited parks. We've had nice lunches (with juice and wine) during the 5 days of Safari and the car was always sparkling clean in the morning when our guide was picking us up :) We would've appreciated our guide to be a bit more involved in the conversation (the answers we got to our questions about birds/animals weren't really detailed and we would've enjoyed talking/getting to know our guide a bit more, especially during our common lunches) but of course this didn't ruin our experience.Our safari was followed by a beach holiday in Zanzibar : Ceci has arranged a pick-up at the airport for us. The hotel (Z hotel in Nungwi) was also great and the honeymoon package made our holiday unforgettable.I can only recommend Soul of Tanzania and Tanzania in general. The safari is a magical experience everyone should have in a lifetime.
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phillip
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Viajero solo en la vida silvestre de Tanzania y safaris de experiencia en Zanzíbar Planeamos nuestro viaje a Tanzania junto con Cecie en weguide Safari. Le hemos dicho aproximadamente lo que queríamos hacer (lago Manyara, Ngorongoro, Serengeti y Zanzibar) y ella sugirió el itinerario y el alojamiento que discutimos y adaptamos juntos. El Serengeti fue probablemente el más impresionante de los parques y tal vez si el tiempo hubiera sido un problema, me habría saltado el lago Manyara para ir directamente al Ngorongoro. (Aunque el alojamiento en el lago Manyara fue increíble, Escarpment Luxury Lodge). Todos los alojamientos tenían algo especial y terminar con un par de días de relax en Zanzíbar fue simplemente perfecto.
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Marion
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Great experience at Mara River (Serengeti) So nice to see and read about sam maasai guide. He was my guide when I visited Tanzania. I also had great game driving experiences, and yes, being patient definitely paid off time after time. We experienced elephants crossing the Mara River, and Sam explained how the matriarch makes the decision to cross and how the elephants would not all cross at once, rather cross in small groups of adults, babies, and elders. We stayed and saw group after group cross and come up the bak of the river directly beside our vehicle,. We also saw a group in the river stop and surround each other and then there was trumpeting by the herd on both sides of the river. Sam explained that they must have sensed danger like crockerdiles, and that they would reteat back; that’s exactly what happened and the trumpeting continued on both sides of the river for a while. When we returned to the Mara River Camp that evening, everyone was envious of our experience and commented how much they loved to have heard the elephants communicating. Like you and your son, we had great experiences every day. Love your photos and descriptions. It’s truly the trip of a lifetime
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Whistler
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Mikumi National park and Zanzibar island The Mikumi National Park is located in eastern Tanzania, some 100 kms south of Morogoro and 280 km west of Dar Es Salaam. It is next to the Selous Reserve and a few kilometers from the Udzungwa Mountains National Park. The wildlife includes monkeys, lions, leopards, panthers, elephants, giraffes zebras, hipos, etc. Approximately 360 different species of birds have been spotted. The park is very popular and is easily accessible from Dar Es Salaam. It is specially equipped for bird watching. Greenery includes the miombo forest which is dominated by Brachystegia spp. The Combretum-Terminalia forest is common between the hills and the plains along the river.In this lower part dominated by Acacia spp, Adansonia digitata baobab and Sterculia appendiculata and the top of gallery forest and riparian dense scrub along rivers Mgoda, Kikobogo and Mkata. The ebony Dalbergia melanoxylon, Sclerocarya caffra, Cassia abbreviata flabellifer and Hyphaene Borassus Ventricosa, Balanites aegyptiaca and Ficus spp are all very close to each other. They are common and important to elephants and baboona. A truly unforgettable experience. with weguide afrkca safaris
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ASHLEY P
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"Zanzibar family trip excursion" "This was our first trip with WeGuide Africa Safari - I believe it's no coincidence that the Bradt Africa guides are simply the best ones on the market and that WeGuide Africa are extraordinary in the depth of their knowledge of the situation on the ground and in their capacity to coordinate and synchronise everything to make it an excellent trip for a family with young children In Zanzibar excursion .We stayed Luxury property at Zuri hotel in Zanzibar .I saw some of the most amazing sights and things in Africa, which I would not have found without the guidance of WeGuide Africa Safari . And for the unforseeable and unavoidable occasional hick ups, the team is there to help where they can.I hope WeGuide Africa Safari stays a well kept secret
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Wilton Backer
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conquérir le Kilimandjaro" super 7 jours via machame route Bonjour mes amis de TripAdvisor.Je m'appelle Xavier.Je viens de rentrer d'une randonnée INCROYABLE sur le mont Kilimandjaro avec weguide Africa Safaris. J'y suis allé avec Erick le guide et il était IMPRESSIONNANT. Erick m'a tellement aidé à me sentir à l'aise tout au long du voyage et il m'a fait me sentir plus fort simplement en étant en sa présence.Tout d'abord, weguide Africa Safaris m'a aidé à chaque étape du processus de courrier électronique pour planifier le voyage. Ils sont tellement professionnels et organisés et m'ont fait me sentir vraiment très à l'aise et bienvenu pour voyager dans un pays étranger. (je viens de la FR)Je savais que c'était la bonne entreprise pour moi juste par la manière organisée et professionnelle de leurs e-mails. Ils vous guident à chaque étape.Si vous essayez de décider avec quelle compagnie escalader le Kilimandjaro ou avec quelle compagnie partir en safari, C'EST LA SEULE. WEGUIDE AFRICA SAFARIS est vraiment incroyable avec de très bons prix aussi.J'ai escaladé le mont Kilimandjaro avec Erick The Guide et il était un professeur tellement spectaculaire avec qui partager le voyage. Il avait tellement de connaissances sur la montagne et il a un VRAI amour pour la nature et l'exploration. . Erick The Guide et tout l'équipage qui nous a accompagnés étaient géniaux. L'équipage de porteurs que nous avions avec nous était tellement sympathique et accueillant. Ils m'ont vraiment fait me sentir chez moi pendant tout le voyage.Je sais que beaucoup de gens ont peur de voyager à cause de COVID. Mais je ne pense pas que cela devrait vous empêcher de venir en Afrique.Si quoi que ce soit, je pense que c'est le moment le plus courageux et le plus spontané pour parcourir le monde.J'ai passé un très bon moment avec WEGUIDE AFRICA SAFARIS et je pense que c'est le moment idéal pour explorer le monde. Allez saisir cette chance et VOYAGEZ. Cela pourrait juste changer votre vie.Erick The Guide et weuide Africa Safaris - vous étiez tous les meilleurs et je vous remercie de m'avoir donné l'opportunité d'escalader le mont Kilimandjaro.Quiconque lit ces mots - weguide Africa Safaris est super sympa, super professionnel et super organisé et ils ont des prix imbattables. N'ayez pas peur de suivre votre cœur. Le monde est fait pour être exploré.Merci Erick et toute l'équipe de weguide Africa Safaris qui ont facilité mon voyage. Je suis très reconnaissant de vous avoir trouvé.
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XAVIER
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Tanzania wildlife familiy safari with weguide africa safaris great company in Tanzania The trip was definitely a wonderful experience. The guide was very good, and that is one of the most important parts of a trip like this.Ngorongoro and Serengeti are two fantastic places, and we had the rare privilege of visiting with very little tourism, really feeling and breathing the place.With my current experience, I will change the first part of the trip avoiding lake Manyara and the long transfer of the first day, and planning at least two safaris in the crater
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