Śniardwy

Śniardwy
Śniardwy in Niedźwiedzi Róg
Śniardwy
Śniardwy
LocationMasurian Lake District
Coordinates53°46′N 21°45′E / 53.767°N 21.750°E / 53.767; 21.750
TypeGlacial lake
Basin countriesPoland
Max. length22.1 km (13.7 mi)
Max. width13.4 km (8.3 mi)
Surface area113.8 km2 (43.9 sq mi)
Average depth6.5 m (21 ft)
Max. depth23 m (75 ft)
Water volume0.65 km3 (530,000 acre⋅ft)
Surface elevation117 m (384 ft)
Islands8

Śniardwy (German: der Spirdingsee) is a lake in the Masurian Lake District of the Warmian-Masurian Voivodeship, Poland.

At 113.8 square kilometres (43.9 sq mi), Śniardwy is the largest lake in Poland. It was also the largest lake in Prussia and in Germany, when Warmia-Masuria was under German rule and formed the southern part of East Prussia. It is 22.1 kilometres (13.7 mi) long and 13.4 kilometres (8.3 mi) wide. The maximum depth is 23 metres (75 feet). There are eight islands on the Śniardwy lake.