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The Perkerra River is a river in the Great Rift Valley in Kenya that feeds the freshwater Lake Baringo. It is the only perennial river in the arid and semi-arid lands of the Baringo County. The Perkerra river supplies water to the Perkerra Irrigation Scheme in the Jemps flats near Marigat Township, just south of the lake. ==Catchment== The river has a catchment area of . It rises in the Mau Forest on the western wall of the Rift valley at , dropping down to at its mouth on the lake. The catchment area has steep slopes on the hillsides, flattening out lower down. Most of the water comes from the hill slopes, where annual rainfall is from to . The region around the lake is semi-arid, with annual rainfall of and annual evaporation rates of to . 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Perkerra River」の詳細全文を読む スポンサード リンク
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