Lake Kyoga is a large shallow and complex lake in Uganda, about 1,720 km² in area and at an elevation of 914 m. River Victoria Nile flows through the lake on its way from Lake Victoria to Lake Albert. The main inflow from Lake Victoria is regulated by the Nalubaale Power Station in Jinja. Another source of water for the lake is the Mount Elgon region on the border between Uganda and Kenya. Though Lake Kyoga is part of Great Lakes system, it is not itself considered a Great Lake. Lake Kwania is nearby lake Kyoga.
The lakes reach a maximum depth at about 5.7 M, and most of it is less than 4 M in depth. The areas with less than 3 M deep are completely covered by water lilies, and the swampy shoreline is covered with papyrus and water hyacinth. The papyrus forms floating islands that drift between a numbers of small permanent islands. This extensive wetland is fed by a complex system of streams and rivers that surround the lakes. Lake Kwania is a smaller lake but deeper.
The excessive El Niño rains experienced in 1997-1998 resulted in exceptionally high water levels that caused the large islands of papyrus and water hyacinth mats to dislodged and have accumulated at the lake's outlet into the Victoria Nile. This blockage has resulted of increased water level to raise causing floods on about 580 km² of the surrounding land. 46 species of fish have been recorded in Lake Kyoga, and crocodiles are numerous.
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