Jeziorak () is a

lake A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from ...

in the Iława Lake District in Warmia-Masuria,

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It extends from the Baltic Sea in the north to the Sudetes and Carpathian Mountains in the south, bordered by Lithuania and Russia to the northeast, Belarus and Ukrai ...

. Its area is 3,219 ha (including 20 islands with a combined area of 240 ha). It is long and across at its widest. The maximum depth is . It is the longest lake in Poland, and ranks 6th by area.

Geology

The lake was formed by filling a glacial

tunnel valley A tunnel is an underground or undersea passageway. It is dug through surrounding soil, earth or rock, or laid under water, and is usually completely enclosed except for the two portals common at each end, though there may be access and ve ...

Gallery

File:Mały jeziorak.JPG, 'Little' Jeziorak as seen from John Paul II Boulevard File:Duży jeziorak.JPG, 'Big' Jeziorak File:Duży_Jeziorak.jpg, 'Big' Jeziorak

References

Lakes of Poland Lakes of Warmian-Masurian Voivodeship {{WarmianMasurian-geo-stub