Lake Metelys is located in southern Lithuania's Alytus County.

The lake, covering 1,292 hectares, has a maximum depth of 15 metres.

[1] 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.