Śniardwy () is a

lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

in the

Masurian Lake District The Masurian Lake District or Masurian Lakeland ( pl, Pojezierze Mazurskie; german: Masurische Seenplatte) is a lake district in northeastern Poland within the geographical region of Masuria, in the past inhabited by Masurians who spoke the Masu ...

of the

Warmian-Masurian Voivodeship Warmian-Masurian Voivodeship or Warmia-Masuria Province or Warmia-Mazury Province (in pl, Województwo warmińsko-mazurskie, is a voivodeship (province) in northeastern Poland. Its capital and largest city is Olsztyn. The voivodeship has an ar ...

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...

. At , Śniardwy is the largest lake in Poland. It was also the largest lake in Prussia, when Warmia-Masuria was under German rule. It is long and wide. The maximum depth is 23 metres (75 feet). There are eight islands on the Śniardwy lake.Lake Śniardwy at the International Lake Environment Committee webpage
/ref>

Geography

Śniardwy was formed by retreating ice sheet and draining floodwaters occurring as the result of ice calving ahead of the receding

glacier A glacier (; ) is a persistent body of dense ice that is constantly moving under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires distinguishing features, such as ...

. Among the eight islands are: Szeroki Ostrów, Czarci Ostrów, Wyspa Pajęcza, Wyspa Kaczor and others. Surrounding settlements include Popielno, Głodowo, Niedźwiedzi Róg, Okartowo, Nowe Guty, Zdęgowo and Łuknajno. Among the many inlets, two are named as separate lakes: Warnołty and Seksty. Śniardwy connects with the following lakes: Tuchlin, Łuknajno, Mikołajskie, Roś, Białoławki and Tyrkło. It is surrounded by the system of

canal Canals or artificial waterways are waterways or engineered channels built for drainage management (e.g. flood control and irrigation) or for conveyancing water transport vehicles (e.g. water taxi). They carry free, calm surface flo ...

s known as Kanały Mazurskie (Masurian Canals), with numerous sluices. Together, they form the Polish Masurian Lake District.

Bibliography

* J. Szynkowski, ''Mazury. Przewodnik'', Kengraf

Kętrzyn Kętrzyn (, until 1946 ''Rastembork''; german: link=yes, Rastenburg ) is a town in northeastern Poland with 27,478 inhabitants (2019). Situated in the Warmian-Masurian Voivodeship (since 1999), Kętrzyn was previously in Olsztyn Voivodeship (197 ...

, 2003 Lakes of Warmian-Masurian Voivodeship {{Mrągowo-geo-stub