Nilakka
{{Infobox body of water
| name = Nilakka
| image = Lake Nilakka.JPG
| caption =
| image_bathymetry =
| caption_bathymetry =
| location = Northern Savonia
| coords = {{coord|63|05|N|26|31|E|region:FI_type:waterbody|display=inline,title}}
| type = Lake
|pushpin_map=Finland
| inflow = Säviänvirta
| outflow = Äyskoski rapids, lake Iisvesi
| catchment = Kymijoki
| basin_countries = Finland
| length = over {{convert|40|km|abbr=on}}
| width = max {{convert|10|km|abbr=on}}
| area = {{convert|168.51|km2|abbr=on}}
| depth = {{convert|4.86|m|abbr=on}}
| max-depth = {{convert|21.74|m|abbr=on}}
| volume = {{convert|0.821|km3|acre.ft|abbr=on}}
| residence_time =
| shore = {{convert|357.81|km|abbr=on}}
| elevation = {{convert|102.2|m|abbr=on}}
| islands = 150
| cities = Keitele
| reference = [http://www.jarviwiki.fi/w/index.php?title=Nilakka_%2814.731.1.001%29&setlang=en Nilakka in Järviwiki Web Service]. Finnish Environment Institute. Retrieved 2014-03-17. {{in lang|en}}
}}
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.[http://www.jarviwiki.fi/w/index.php?title=Toiminnot:Kysy&offset=20&limit=20&q=%5B%5BLuokka%3AJ%C3%A4rvi%5D%5D&p=format%3Dul%2Fcolumns%3D1&po=%3FPinta-ala%3D%0A&sort=Pinta-ala&order=DESC Lakes by size] in Järviwiki Web Service. Retrieved 2014-03-17. {{in lang|en}} It's a shallow lake, connected by canals to upper Lake Pielavesi and lower Iisvesi.