Type Lake Catchment area Kymijoki Max. length 10 km (6.2 mi) Surface elevation 92 m Mean depth 4.58 m Outflow location Tainionvirta | Primary outflows Tainionvirta Basin countries Finland Max. width 15 km (9.3 mi) Area 81.11 km² Shore length 303.7 km Inflow source Viheri | |
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Jääsjärvi is a medium-sized lake of Finland. It is located in Hartola and Joutsa municipalities, in the regions Central Finland and Päijänne Tavastia. The water quality in the lake is excellent. The river Tainionvirta has its source in Jääsjärvi. Jääsjärvi flows through it and with several smaller lakes to Päijänne. Water in Jääsjärvi is bright. Lake is part of Sysmä catchment area and Kymijoki main catchment area.
Map of J%C3%A4%C3%A4sj%C3%A4rvi, Finland
There is dozens of islands in the lake. Biggest lakes are Vehkasalo, Hirtesalo, Kotisalo, Ohrasaari, Urrionsaari and Nautsalo. Vehkasalo, Hirtesalo and Ohrasaari are islands with road connection.
In winter time, lake typically gets frozen.
References
Jääsjärvi Wikipedia(Text) CC BY-SA