The most important waters of Joroinen are Joroisselkä-Haapaselkä, Sysmä, Syväsi and part of Sorsavesi. The water in the area is managed through continuous abundant planting and other management measures. The fish that are planted each year include: perch, whitefish, lake trout and grayling. The reliability of the catches in the area is high thanks to the planting and good fish stocks.
- City center: 26 m