What is the deepest lake in Finland?

Finland’s deepest lake is Päijänne, which is located in Central Finland and Päijät-Hämee. Päijänne is the second largest lake in Finland in terms of surface area, but it is especially known for its depth. The deepest point of the lake is 95.3 meters, and it is located in Ristinselä, which is one of the deepest parts of the lake.

Properties of the target

Päijänne is a significant lake in Finland in many ways. It is an important waterway and offers many recreational opportunities such as fishing, boating and swimming. The lake is also an important source of drinking water, as Päijänne’s water is led through the Päijänne tunnel to the capital region, where it is treated and distributed as drinking water.

The meaning of depth

The depth of a lake affects many of its properties, such as water temperature, stratification and ecosystem. In deep lakes, such as Päijänte, the water temperature varies greatly at different depths, which affects fish stocks and other aquatic life. The depth also enables a larger water storage capacity, which is especially important during drought periods.

Geological background

Päijänne’s depth is due to its geological history. The lake is located in ridge and moraine terrain shaped by the ice age, and its deepest parts were created during the ice age, when glaciers carved the soil. This makes Päijänte a geologically interesting destination for researchers.

Recreation and tourism

Päijänne is a popular tourist destination, and its depth and clear water attract divers and other water enthusiasts. The shores of the lake also offer many opportunities for camping and observing nature. Päijänne National Park, located in the southern part of the lake, is a particularly popular hiking destination.

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