It is situated partly in Posio in Lapland region and partly in Kuusamo municipality in Northern Ostrobothnia region, and belongs to the Koutajoki main catchment area.
The southern part of the lake is called Yli-Kitka (meaning Upper Kitka) and northern part is called Ala-Kitka (meaning Lower Kitka).
[1] It is also the biggest unregulated lake, because there are no power stations on its outflow.
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