Kretuonas
Švenčionys District Municipality, Lithuania
Lake Kretuonas (sometimes Kretuonis) is a lake located in the District Municipality of Švenčionys (Vilnius County) in eastern Lithuania. It is the largest by area in both the district and the Aukštaitija National Park (8.61 square kilometers). The lake is a bird reserve. The Vilnius-Daugavpils railway line passes by the shores of the lake.
NatureReserve data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).