Kolonjärvi

Kolonjärvi is a lake located in Keuruu in central Finland, which belongs to the Kokemäenjoki watershed. It has an area of 239 ha, and a coastline of some 12 km.

According to data from the Finnish Environment Institute, the lake contains a total of 13 islands of various sizes, totaling approximately 4.8 ha. It has a mean depth of 4.32 m, with a maximum depth of 14.83 m