Lake Sysmä (Ilomantsi)

Lake Sysmä (Finnish: Sysmä) is a medium-sized lake in the Vuoksi main catchment area, in the Northern Karelia region of eastern Finland. It is situated in the municipality of Ilomantsi.^[1]

LocationIlomantsi

Coordinates62.7007°N 31.2795°E / 62.7007; 31.2795

Lake typeNatural

Catchment area

Vuoksi

Quick facts Location, Coordinates ...

Lake Sysmä
Lake Sysmä
Location	Ilomantsi
Coordinates	62.7007°N 31.2795°E / 62.7007; 31.2795
Lake type	Natural
Catchment area	Vuoksi
Basin countries	Finland
Surface area	11,827 km2 (4,566 sq mi)
Average depth	3.09 m (10.1 ft)
Max. depth	8.8 m (29 ft)
Water volume	00,365 km3 (88 cu mi)
Shore length1	43 km (27 mi)
Surface elevation	1,512 m (4,961 ft)
Frozen	December–April
Islands	Lammassaari, Korpisaari
References	[1]
1 Shore length is not a well-defined measure.

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The largest islands are Lammassaari, Korpisaari, Veitsisaari and Kokkosaari.

Sysmä is also the name of a municipality in the Päijänne Tavastia region,^[2] and Sysmä is also a lake in Joroinen.^{[citation needed]}