Wikipedia
Kyyjärvi is a municipality of Finland.
It is located in the province of Western Finland and is part of the Central Finland region. The municipality has a population of and covers an area of of which is water. There are all together 46 lakes in Kyyjärvi. Biggest lakes in Kyyjärvi are Lake Kyyjärvi, Heinuanjärvi and Kirvesjärvi. The population density is .
The municipality is unilingually Finnish.
The municipality centre is located on the shores of lake Kyyjärvi. Little villages Hokkala, Koskimäki-Huhtala, Kumpula, Noposenaho, Hokkasenaho, Nurmijoki, Oikari, Peuralinna, Pölkki, Saunakylä 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 16) the municipality has also a remarkable amount of services and little companies compared to its size.
The origin of the name of Kyyjärvi is unknown but there are few theories of it. The first part of the name, "kyy", is Finnish word for adder ( Vipera berus), a venomous snake. Järvi is Finnish word for lake. Adders can be found in Kyyjärvi, as everywhere in Finland. Another theory is that the first citizens moved to the area from the lake Kyyvesi and gave the name Kyyjärvi for their new home area and lake.
The world's first district heating grid that uses only EKOenergy labelled renewable energy is located in the town center of Kyyjärvi.