Rezerwat przyrody Jezioro Hańcza, Nature reserve in Podlaskie Voivodeship, Poland
Lake Hańcza Nature Reserve contains a glacial ribbon lake reaching a depth of 108.5 meters, making it the deepest lake in Poland.
The lake formed during the last Ice Age when glacial processes created a tunnel under the ice sheet, resulting in the current deep basin.
The reserve functions as a research center for scientists studying relict animal species that survived since the last glaciation period.
The northern shore allows swimming activities while the eastern shore provides access for diving enthusiasts to explore the clear waters.
The underwater landscape features steep slopes covered with moraine clay, reaching inclinations between 10 and 25 degrees from the shore.
GPS coordinates: 54.26670,22.81670
Latest update: March 3, 2025 00:18
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