Kerio Valley lies between the
Tugen Hills
The Tugen Hills (also known as ''Saimo'') are a series of hills in Baringo County, Kenya. They are located in the central-western portion of Kenya.
The Tugen Hills represent one of the few areas in Africa preserving a succession of deposits from t ...
and the
Elgeyo Escarpment Elgeyo escarpment is a fault-scarp caused by post-Miocene faulting. Miocene beds are still visible. The escarpment is part of the western wall of the Great Rift Valley.
The northwest part of Kenya has three main geographic zones running in parall ...
in
Kenya
)
, national_anthem = " Ee Mungu Nguvu Yetu"()
, image_map =
, map_caption =
, image_map2 =
, capital = Nairobi
, coordinates =
, largest_city = Nairobi
, ...
. It sits at an elevation of 1,000 meters in the
Great Rift Valley
The Great Rift Valley is a series of contiguous geographic trenches, approximately in total length, that runs from Lebanon in Asia to Mozambique in Southeast Africa. While the name continues in some usages, it is rarely used in geology as ...
.
Geography

The isolated Kerio Valley is situated in a narrow, long strip that is approximately 80 km by 10 km wide at its broadest, through which the
Kerio River
The Kerio River is a river in Turkana County, Kenya. It flows northward into Lake Turkana. It is one of the longest rivers in Kenya, originating near the equator.
Course
The Kerio River rises on the north slopes of the Amasya Hills to the west ...
flows. deep, the valley lies between the
Cherangani Hills
The Cherang'any Hills are a range of hills in the western highlands of Kenya. The hills are one of Kenya's five main forests and catchment areas. The highlands, the large central plateau, is divided by the Mau Escarpment which rises from the bord ...
and the
Tugen Hills
The Tugen Hills (also known as ''Saimo'') are a series of hills in Baringo County, Kenya. They are located in the central-western portion of Kenya.
The Tugen Hills represent one of the few areas in Africa preserving a succession of deposits from t ...
.
The
Elgeyo Escarpment Elgeyo escarpment is a fault-scarp caused by post-Miocene faulting. Miocene beds are still visible. The escarpment is part of the western wall of the Great Rift Valley.
The northwest part of Kenya has three main geographic zones running in parall ...
rises more than above it in places. It has semi-tropical vegetation on the slopes, while the floor of the valley is covered by dry thorn bush.
The most comfortable time of the year is in July and August, when the rains have ended and the temperatures are not excessive.
The
Kerio Valley National Reserve has been established since 1983 along the Kerio River to the north of
Lake Kamnarok.
Archaeological Activities
The Kerio Valley is the site of elaborate irrigation systems that were constructed during earlier periods of history. These structures are believed to have been built by descendants of the
Neolithic
The Neolithic period, or New Stone Age, is an Old World archaeological period and the final division of the Stone Age. It saw the Neolithic Revolution, a wide-ranging set of developments that appear to have arisen independently in several part ...
Afro-Asiatic
The Afroasiatic languages (or Afro-Asiatic), also known as Hamito-Semitic, or Semito-Hamitic, and sometimes also as Afrasian, Erythraean or Lisramic, are a language family of about 300 languages that are spoken predominantly in the geographic ...
peoples who introduced domesticated plants and animals to the
Great Lakes
The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes in the mid-east region of North America that connect to the Atlantic Ocean via the Saint Lawrence River. There are five la ...
region
—a succession of societies collectively known as the ''Stone Bowl'' cultural complex.
Most of these early northern migrants are said to have been absorbed by later movements of
Nilotic
The Nilotic peoples are people indigenous to the Nile Valley who speak Nilotic languages. They inhabit South Sudan, Sudan, Ethiopia, Uganda, Kenya, the Democratic Republic of the Congo, Rwanda, Burundi and Tanzania. Among these are the Burun ...
and
Bantu
Bantu may refer to:
*Bantu languages, constitute the largest sub-branch of the Niger–Congo languages
*Bantu peoples, over 400 peoples of Africa speaking a Bantu language
*Bantu knots, a type of African hairstyle
*Black Association for Nationali ...
peoples. Although the particular irrigation systems in the Kerio Valley are today maintained by the Marakwet subgroup of the Kalenjin Nilotes, the latter aver that they were the work of a northern people of peculiar language called the
Sirikwa
The Sirikwa culture was the predominant Kenyan hinterland culture of the Pastoral Iron Age, c.2000 BP. Seen to have developed out of the Elmenteitan culture of the East African Pastoral Neolithic c.3300-1200 BP, it was followed in much of its ...
, who were later decimated by pestilence. According to the Marakwet, the Sirikwa "built the furrows, but they did not teach us how to build them; we only know how to keep them as they are."
The missing link however reoccurs in Tanzania out of an ethnic community known as
Iraqw. The Iraqw openly admit to be the masterminds behind the constructions and linked to the
Engaruka complex in Tanzania.
Sengwer
The Sengwer people (also known as Cherang'any and previously as Sekker, Siger, Sigerai, Segelai, Senguer, Senguel and Jangwel) are an indigenous community who primarily live in the Embobut forest in the western highlands of Kenya and in scattered p ...
ethnicity of Kalenjin and
Talai clan of the
Kipsigiis and
Nandi
Nandi may refer to:
People
* Nandy (surname), Indian surname
* Nandi (mother of Shaka) (1760–1827), daughter of Bhebe of the Langeni tribe
* Onandi Lowe (born 1974), Jamaican footballer nicknamed Nandi
* Nandi Bushell (born 2010), South Afr ...
are believed to be facets of the Iraqw who took a Kalenjin identity.
People
In
Kimwarer
Kimwarer is a village in Elgeyo-Marakwet County, Kenya. It is located along the B54 Road between Eldoret and Tenges, in the southern part of Kerio Valley and in the drainage basin area of the Kerio River. One of the nearest villages is Kaptagat, l ...
in the southern part of the valley,
fluoride
Fluoride (). According to this source, is a possible pronunciation in British English. is an inorganic, monatomic anion of fluorine, with the chemical formula (also written ), whose salts are typically white or colorless. Fluoride salts ...
is mined by the
Kenya Fluorspar Company. The southern parts of the valley are settled by the
Elgeyo people and the northern part by the
Marakwet people
:''Marakwet is also a district in Kenya, see Marakwet District''
The Marakwet are one of the groups forming the ethnolinguistic Kalenjin community of Kenya, they speak the Markweta language. The Marakwet live in five territorial sections namely A ...
.
Tugen people
The Tugen are a sub tribe of the Kalenjin people alongside the Nandi, Kipsigis, Keiyo, Pokot, Marakwet, Sabaot, Ogiek, Lembus and Sengwer sub-tribes. They occupy Baringo County and some parts of Nakuru County and Elgeyo Marakwet County in the ...
live on the slopes of the Tugen Hills. These three groups together with the Nandi and the
Kipsigis belong to the Kalenjin people.
Further reading
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*
Notes
References
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{{refend
Valleys of Kenya
Great Rift Valley