Konnivesi is a medium-sized lake of Finland in the Kymijoki main catchment area. It is located partly in region Päijänne Tavastia, near the town Heinola, partly in region Kymenlaakso. There is a waterway crossing the Heinola town and connecting the lake to another lake Ruotsalainen.
|Surface area||49.596 km2 (19.149 sq mi)|
|Shore length1||319.88 km (198.76 mi)|
|Surface elevation||77.4 m (254 ft)|
|1 Shore length is not a well-defined measure.|
- Konnivesi in the Jarviwiki Web Service. Retrieved 2014-03-02. (in English)