Korpijärvi is a medium-sized lake in the Vuoksi main catchment area. It is located in the region Southern Savonia of Finland.Korpijärvi in Järviwiki Web Service. Finnish Environment Institute. Retrieved 2014-03-09.
Korpijärvi is divided in two parts, which are called Valtolanselkä and Halmeniemenselkä. Between them is Tommolansalmi strait, and the Finnish National Road 15 crosses the lake there.
In Finland there are 40 lakes that are called Korpijärvi. This is the biggest of them.Korpijärvi-lakes in Järviwiki Web Service. Retrieved 2014-03-09.
See also List of lakes in Finland
References