Ol Doinyo Lengai, Tanzania - January 1, 2007: A group of tourists is hiking down from the  top of Ol Doinyo Lengai into the green Rift Valley, in the background the Escarpment of the Rift Valley is visible. In the foreground there is some volcanic smoke coming out of a crack.

© guenterguni / Getty Images

Ol Doinyo Lengai

Top choice in Northern Tanzania

The northernmost (and youngest) volcano in the Crater Highlands, Ol Doinyo Lengai (2878m), ‘Mountain of God’ in the Maasai language, is an almost perfect cone with steep sides rising to a small, flat-topped peak. It’s still active, last erupting in 2008. At the peak, you can see hot steam vents and growing ash cones in the north crater. Climbing the mountain is possible, but it's a serious undertaking – you'll need a guide, stamina and a head for heights.

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