Jämsänkoski is a former town and municipality in central Finland located near Lake Päijänne and the Jämsänjoki river. The town had population of 7,351 (2008). It covered an area of 448.67 km² of which 48.02 km² is water. The population density was 16.9 inhabitants per km².
- Luunja Parish, Estonia
- "Population by municipality as of 31 December 2008". Population Information System (in Finnish and Swedish). Population Register Center of Finland. Retrieved 23 November 2010.
Media related to Jämsänkoski at Wikimedia Commons
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