Chyulu Hills

The Chyulu Hills is a mountain range in Makueni County in southeastern Kenya. It forms a 100-kilometre-long volcanic field in an elongated northeast–southwest direction. Its highest peak is 2,188 metres high.Global Volcanism Project – Chyulu Hills
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The Leviathan Cave (also known as Kisula caves) in Chyulu Hills National Park is about 11 km long, one of the longest caves in Africa. The national park is part of the Tsavo conservation area which covers Tsavo West National Park, Tsavo East National park and the Kibwezi Forest.

The park's main gate is in Kibwezi in Makueni County.

The Chyulu Hills stood in for the Ngong Hills in the film ''Out of Africa''.

Geography

The Chyulu Hills are located about 150 km east of the Kenya Rift. The hills consists of several hundred small flows and cones.
Volcanism in the area started about 1.4 million years ago in the northern parts of the hills, and over time the volcanism propagated towards the southeast. These volcanoes are still considered active, since their last two eruptions (Shaitani and Chainu) occurred in 1856. Within the hills is the ''Leviathan Cave'', one of the longest lava tubes in the world.Tom Parkinson, Matt Phillips, Will Gourlay
''Kenya''
Lonely Planet, 2006.

Kibwezi town is located 30 km northeast of the Chyulu Hills.Kenya Wildlife Service – Chyulu Hills National Park

The Chyulu Hills do not have any permanent rivers, but rainfall on hills feeds the Tsavo and Galana rivers and Mzima Springs on the surrounding plains.

Chyulu hills divide the Tsavo and Amboseli plains. The area is inhabited by Maasai and Kamba people.

Ecology

Lower parts of the hills are composed of grassland and thicket, while above roughly 1800 metres is dominated by montane forest. The forest contains '' Neoboutonia macrocalyx'', soccerball fruit, African cherry, '' Strombosia scheffleri'', ''Cassipourea malosana'', black ironwood, and African holly. Some isolated parts are dominated by Abyssinian coral tree. Lower parts of the forest are dominated either by African juniper or '' Commiphora baluensis''.

Mammals found in the hills include eastern black rhinos, Cape buffaloes, bushbucks, elands, elephants, bushpigs, Masai giraffe, leopards, lions, mountain reedbucks, steinbok, wildebeest and Grant's zebras. Cheetahs are found at the plains of Chyulu Hills. Various snakes inhabit the hills, like black mamba, puff adder and rock python.

There are various bird species on the hills, with some endemic races. Bird species include: Shelley's francolin, white-starred robin, orange ground thrush, cinnamon bracken warbler, Ayres's hawk-eagle, African crowned eagle, martial eagle, and Abbott's starling.Birdlife
Chyulu Hills forests
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There is wild khat growing on the hills, which is picked by local people. There is also some cultivation of khat around the hills. Khat from Chyulu hills is known as ''Chuylu'', as opposed to ''Miraa'', which is cultivated in the Meru County.David Anderson
''The khat controversy: stimulating the debate on drugs''
Berg Publishers, 2007.

Conservation

The Chyulu Hills National Park comprises the eastern flank of the hills and is operated by the Kenya Wildlife Service. The park was formed in 1983. It forms a northwestern continuation of Tsavo West National Park. The western flank of the hills is covered by the West Chyulu Game Conservation owned by Maasai group ranches.

Potential threats to the ecosystem include poaching, overgrazing by growing population of Maasai herders and scarcity of water.

References

External links

Kenya Wildlife Service – Chyulu Hills National ParkGlobal Volcanism Project – Chyulu Hills

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Mountain ranges of Kenya
National parks of Kenya
Protected areas established in 1983
Northern Acacia-Commiphora bushlands and thickets