East Africa’s only active volcano, Ol Doinyo Lengai, is situated south of Lake Natron. In the Maasai the name means the sacred Mountain of God. Mount Lengai is ,878meters high and it has explosive eruptions every twenty to forty years. The last bigger eruption was in 1966, with some smaller ones in 1983, 1933 and 2007.

East Africa’s only active volcano, Ol Doinyo Lengai, is situated south of Lake Natron. In the Maasai the name means the sacred Mountain of God. Mount Lengai is 878m high and it has explosive eruptions every twenty to forty years.

The last bigger eruption was in 1966, with some smaller ones in 1983, 1933 and 2007. Ol Doinyo Lengai is one of the few volcanoes without Sodium carbonate and potassium and it is the only volcano in the world that erupts natrocarbonatite lava. This lava has almost no silicon and its temperatures are not as high as those of other lavas, approximately 500 – 600°C.