geo.wikisort.org - Reservoir

Jonkeri is a medium-sized lake of Finland. It belongs in the Vuoksi main catchment area and is situated in Kainuu region.[1]

Jonkeri
Jonkeri
Coordinates	63°50′N 29°55′E
Primary outflows	Siltakoski rapids, river Jongunjoki
Basin countries	Finland
Surface area	13.981 km2 (5.398 sq mi)
Average depth	3.91 m (12.8 ft)
Max. depth	18.8 m (62 ft)
Water volume	0.0547 km3 (44,300 acre⋅ft)
Shore length1	73.55 km (45.70 mi)
Surface elevation	195.6 m (642 ft)
Frozen	November–May
Islands	Uittosaari, Lammassaari, Kalmosaari, Kontusaari
References	[1]
1 Shore length is not a well-defined measure.

The Russian border is only four kilometers from the lake. In history the lake has been partly Russian. The border stone called Jonkerinkivi is situated on the lake and it shows the border place of 17th century based on the Treaty of Stolbovo.[2]

See also

• List of lakes in Finland

References

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