"Oldoinyo Lengai" na nufin "Dutsen Allah" a yaren Maasai. Kolin wannan strato-volcano yana da tsayin mita 2962 sama da matakin teku kuma yana ba da ra'ayi kai tsaye zuwa cikin caldera na Tanzaniya kawai mai ƙwalƙwalwar wuta mai ƙarfi, kuma dutsen mai aman wuta na carbonate ɗaya tilo a duniya; An adana bayanan fashewar tun 1883, wanda mafi girma daga ciki ya ajiye toka mai nisan kilomita 100 a Loliondo da ke kan iyakar Kenya zuwa arewa maso yamma, Oldoinyo Lengai Trekking daya daga cikin mafi kyawun kwarewa.
Tana arewacin Tanzaniya tana kwance kusa da tafkin Natron a cikin Rift Valley, a tsakiyar ƙasar Maasai, kuma a cikin gida ana ɗaukarsa a matsayin tsattsauran tsattsauran ra'ayi. Da yake duban arewa daga kololuwar kololuwar sa, gishirin bakarare mai zafi na tafkin Natron ya mike zuwa nesa. Zuwa kudu shimfida tsaunukan Crater da kuma Ngorongoro Game Reserve. Kilimanjaro ne ke mamaye sararin gabas sannan daga yamma, gandun daji da tuddai sun ƙunshi gangaren yamma na Rift Valley. A kowace shekara bakwai Lengai yana fashewa da hayaki yana fitowa daga cikin ramin.
Yana yiwuwa a yi tafiya a kan dutsen bene. Hawan Oldoinyo Lengai yana da bukata saboda zafin rana, rashin ruwa, tudu da tudun toka da ba su dace ba, da kuma tsayin daka mai yawa. A al'ada za ku iya fara hawan zuwa taron koli da sassafe kuma ku isa koli da fitowar rana. Shortan gajeren wando da jaket mai dumi sun dace da hawan hawan, kuma dogon wando suna da kyau kamar yadda babban taron kafin wayewar gari zai iya yin sanyi. Hanyar shiga daga Arewa maso Yamma yana ba da damar yin saukowa da wuri daga taron a cikin inuwar safiya.
Tsawon mita 2,878 a saman tafkin Soda Ash Lake Natron, Dutsen ALLAH ya shahara ga al'ummar Maasai da ke zaune a yankin, Dutsen Ol'doinyo Lengai yana cikin tsaunukan Ngorongoro da Rift Valley na Afirka kimanin kilomita 120 daga Arewa maso yammacin Arusha, Tanzania. .
Tun da kakanni da suka gabata, Maasai ke amfani da Holly Lengai don addu'ar su ga ALLAH wanda aka fi sani da NGAI. Ol'doinyo Lengai shine kawai dutsen mai aman wuta a duniya wanda ke fashewa nitrocarbonatite lava wanda ya fi sauran lavas da kusan (digiri 510) idan aka kwatanta da yanayin zafi na basaltic lavas (digiri 1,100 C) tare da ƙarancin silicon.
Dutsen yana yawan yin ƙananan fashewa kuma yana samar da sifofi kamar mazugi a gindinsa.
Yayin da yake kan kololuwar Dutsen Ol'doinyo Lengai, mutum zai iya fitowa fili kogin Soda Lake Natron wanda ke dauke da kuma ya kunshi kyawawan wuraren zama don nau'ikan tsuntsaye daban-daban musamman Flamingos, pelicans, da geese sama da nau'ikan 350 daban-daban ana rubuta su zuwa yau.
Ba kamar sauran tsaunuka biyu mafi tsayi ba, Lengai yana ɗaukar kimanin sa'o'i shida zuwa bakwai zuwa ramin koli. Har ila yau, Dutsen wuri ne mai kyau don rakiyar safari ta jagororin Maasai tare da masu yawon bude ido na makamai za su iya ganin dabbobin daji kamar baboon zaitun, karammiski, lizard, hyenas, zaki, damisa, jackal, Grant's gazelle, impala, da zebra.
Bayan Oldoinyo Lengai Trekking akwai Maasai BOMAS na kusa da ke ba ku damar yin hulɗa tare da ƴan asalin ƙasar koyan al'adu, haramun, da al'adunsu.
Ana shirya hawan hawan dutse da tsakar dare don isa taron koli da fitowar rana. Duk da cewa hanyar tana da wahala saboda zafi (40°C) kuma ana shawartar masu tafiya da su yi taka tsantsan, ra'ayoyi daga Dutsen Lengai suna da ban mamaki. A arewacin tafkin Natron ana iya gani, a yamma da Babban Rift Valley, kuma yankin gabas yana ba da kyawawan ra'ayoyi na Dutsen Kilimanjaro.