Tisnaren

Tisnaren is a lake located in the Södermanland province of Sweden. It is situated in the municipalities of Katrineholm and Flen. The lake has a surface area of approximately 33 square kilometers. Its primary inflow is from the river Lillån, and its outflow is the Tisnaren River, which flows into the larger lake Hjälmaren.

The landscape surrounding Tisnaren is characterized by forests and agricultural land. The lake is a popular destination for recreational activities, including fishing, boating, and swimming. Various fish species inhabit the lake, such as pike, perch, and zander. Birdwatching is also a common activity due to the presence of diverse birdlife in the area.

Several smaller islands are scattered within Tisnaren. The lake's shoreline is varied, with some areas featuring sandy beaches and others being more rocky or marshy. Development along the shores is relatively sparse, contributing to a more natural environment. Tisnaren plays a role in the local ecosystem and provides a habitat for numerous plant and animal species.