Kyyjärvi

Kyyjärvi (Finnish pronunciation:; lit.'adder lake') is a municipality of Finland. It is located in the Central Finlandregion, about 120 kilometres (75 mi) northwest of Jyväskylä. The municipality has a population of 1,129 (31 December 2025) and covers an area of 469.61 square kilometres (181.32 sq mi) of which 21.39 km (8.26 sq mi) is water. The population density is 2.52 inhabitants per square kilometre (6.5/sq mi). The municipality is unilingually Finnish.

Neighbouring municipalities are Alajärvi, Karstula, Kivijärvi, Perho and Soini. The municipality centre is located on the shores of Lake Kyyjärvi. Little villages , , Kumpula, , , , , , , and Vehkaperä are living mostly from primary production (farming and forestry). Due to its location on the crossroads of two main Finnish roads (Valtatie 13 and ) the municipality has also a remarkable number of services and little companies compared to its size.