Suvasvesi is a lake in Eastern Finland near the city of Kuopio. Suvasvesi consists of two circular open lakes, Kuukkarinselkä in north and Haapaselkä in south. The lakes are separated by a group of islands. The lake has 688 islands in total. The area of the lake is Template:Convert making it the 18th largest lake in Finland. Kuukkarinselkä is the third deepest lake in Finland measuring Template:Convert in the deepest point.
In 2001, shatter cones were found in Kuukkarinselkä making it the 6th known impact crater in Finland. The crater, usually referred as Suvasvesi North crater, is located in the center of Kuukkarinselkä and measures about Template:Convert in diameter. Its age is estimated to be about 85 Ma<ref>Schmieder, M., Schwarz, W. H., Buchner, E., Pesonen, L. J., Lehtinen, M. & Trieloff, M. 2012. Double and multiple impact events on Earth - Hypotheses, tests, and Problems. 75th MetSoc meeting (13–18 August 2012), Cairns, Australia, abstract no. 5005.</ref> but the Earth Impact Database (EID) gives a broader span of less than 1000 Ma.<ref>Template:Cite Earth Impact DB</ref>