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Lake Nilakka.JPG
Location Northern Savonia
Coordinates 63°05′N 26°31′E / 63.083°N 26.517°E / 63.083; 26.517Coordinates: 63°05′N 26°31′E / 63.083°N 26.517°E / 63.083; 26.517
Type Lake
Primary inflows Säviänvirta
Primary outflows Äyskoski rapids, lake Iisvesi
Catchment area Kymijoki
Basin countries Finland
Max. length over 40 km (25 mi)
Max. width max 10 km (6.2 mi)
Surface area 168.51 km2 (65.06 sq mi)
Average depth 4.86 m (15.9 ft)
Max. depth 21.74 m (71.3 ft)
Water volume 0.821 km3 (666,000 acre·ft)
Shore length1 357.81 km (222.33 mi)
Surface elevation 102.2 m (335 ft)
Islands 150
Settlements Keitele
References [1]
1 Shore length is not a well-defined measure.

Nilakka is a rather large lake in Northern Savonia, Finland. With the area of nearly 169 km² it is the 25th largest lake in the country.[2] It's a shallow lake, connected by canals to upper Lake Pielavesi and lower Iisvesi.


  1. ^ Nilakka in Järviwiki Web Service. Finnish Environment Institute. Retrieved 2014-03-17. (English)
  2. ^ Lakes by size in Järviwiki Web Service. Retrieved 2014-03-17. (English)