Lake Päijänne (Finnish pronunciation: [ˈpæi(j)ænːe]) is the second largest lake in Finland (1,080 km² (266,874 acres)). The lake drains into the Gulf of Finland via the Kymi River. The major islands are from north to south Vuoritsalo, Muuratsalo, Onkisalo, Judinsalo, Edessalo, Taivassalo, Haukkasalo, Vehkasalo, Mustassalo, Virmailansaari and Salonsaari. The largest island is Virmailansaari. The word saari means an island.