Kiskonjoki - Perniönjoki (24)
From Järvi-meriwiki
Kiskonjoki - Perniönjoki is one of Finland's main water basins. It consists of 7 basins of the lower level of division. Kiskonjoki - Perniönjoki is part of the river basin district: Kokemäenjoen-Saaristomeren-Selkämeren vesienhoitoalue.