Metelys
{{Short description|Lake in Alytus County, Lithuania}}
{{Infobox lake
| name = Lake Metelys
| image = Metelys1.JPG
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| location = Alytus County
| coords = {{coord|54|17|51|N|23|46|18|E|region:LT_type:waterbody|display=inline,title}}
| type =
|pushpin_map=Lithuania
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| basin_countries = Lithuania
| length =
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| area = {{convert|12.92|km2|mi2|abbr=on}}
| depth =
| max-depth = {{convert|15|m|ft|abbr=on}}
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Lake Metelys is located in southern Lithuania's Alytus County. The lake, covering 1,292 hectares, has a maximum depth of 15 metres.{{cite web|title=Geographical data - administrative territorial division |url=http://www.stat.gov.lt/uploads/metr_2005/print/doc_2.doc |publisher=Government of Lithuania |accessdate=2008-05-01 |url-status=dead |archiveurl=https://web.archive.org/web/20110723080659/http://www.stat.gov.lt/uploads/metr_2005/print/doc_2.doc |archivedate=2011-07-23 }} It lies within the boundaries of Meteliai Regional Park. Lake Metelys formed from melted ice lump.
The lake is a notable waterfowl habitat; populations of great crested grebes, greylag goose, and the globally near-threatened ferruginous duck have been observed there.{{cite web|title=Use Of The Information On Fauna In The Preparation Of Territorial Planning Schemes And Management Plans Of Protected Areas (Based On Meteliai Regional Park)
|url=http://www.ekoi.lt/uploads/docs/KurlaviciusAZL%2010(2)_18-38.pdf|publisher=Vilnius University Institute of Ecology|accessdate=2008-05-01}}