The Ol Doinyo Lengai is a volcano located in the north of Tanzania and is part of the volcanic system of the Great Rift Valley in Eastern Africa. It is situated in the south of Lake Natron.
Tanzania 2006, Ol Doinyo Lengai.
The miniaturesheet was issued in the series "Famous East African Mountains".
Tanzania 2010, Ol Doinyo Lengai in the background (lake Natron).
The illustration of the miniaturesheet "Volcanoes" Mozambique 2010, shows the Ol Doinyo Lengai.
Togo 2011, Ol Doinyo Lengai Volcano (stamp existing perforated and imperforated)
The stamp was issued in the series "Flowers and Volcanoes".
Mozambique 2012, Ol Doinyo Lengai.
The stamp was issued in the series Volcanoes.
Democratic Republic of the Congo 2013, Ol Doinyo Lengai in the background.
Haraldur Sigurdsson in the foreground (Icelandic volcanologist).
The stamp was issued in three miniaturesheets of the series "Volcans".
Central African Republic 2013, Ol Doinyo Lengai.