Jämsäjärvi

Jämsäjärvi is a lake located in the municipality of Jämsä, in the Central Finland region of Finland. The lake is part of the Kymijoki river basin. It is situated relatively close to the town of Jämsä itself, making it an accessible natural feature for locals and visitors. The lake's shape is somewhat irregular, with several peninsulas and bays contributing to its shoreline.

The surrounding landscape is typical of the Finnish Lakeland, characterized by forests and a moderate number of summer cottages. Jämsäjärvi is a popular destination for recreational activities, especially during the warmer months. Fishing is a common pastime, with species such as pike, perch, and zander inhabiting its waters. Boating and swimming are also enjoyed by many who visit the lake. In winter, the frozen surface of Jämsäjärvi can be used for ice skating and ice fishing, weather permitting.

The water quality of Jämsäjärvi is generally considered good, supporting a healthy aquatic ecosystem. The lake is not a major transportation route but serves as a valuable natural asset for the local community and the wider region, contributing to the area's natural beauty and recreational opportunities. Its proximity to urban centers ensures its continued use for leisure and nature appreciation.