Extraordinary exceptions to this are the various types of microscopic diatom algae which thrive in this harsh environment, which in turn provide sustenance for several hundred thousand lesser flamingos, for whom this is the most important breeding site worldwide.
With Africa’s highest active volcanic mountain Ol Doinyo Lengai the “Mountain of God in the Maasai language” to the South, Lake Natron, serves as is a sanctuary and the only regular breeding spot in East Africa for the 2.5 million Lesser Flamingoes. Not draining out to any river or sea other than evaporation, the lake alkalinity comes from the sodium carbonate and other minerals that flow into the lake from the surrounding volcanic rock hills and lava flows. With the PH as high as 10.5, Lake Natron is one of two alkaline lakes in the area of East Africa the other is Lake Bahi and is probably the world's most caustic body of water and perhaps the most dramatic of all the rift valley lakes. This stunning area sits just north east of the Ngorongoro Crater and forms part of Africa's immense Great Rift Valley rests at the altitude of 600m above sea level.
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