Jääsjärvi
lake in Hartola, Southern Finland Regional State Administrative Agency, Finland
Jääsjärvi is a large lake in Finland. It covers 81.11 square kilometres (31.32 sq mi). It has many islands. The largest ones are Vehkasalo, Hirtesalo, Kotisalo, Ohrasaari, Urrionsaari and Nautsalo.
| Jääsjärvi | |
|---|---|
 | |
| Location | Hartola and Joutsa |
| Coordinates | 61°36′N 26°07′E / 61.600°N 26.117°E |
| Type | Lake |
| Catchment area | Kymijoki |
| Basin countries | Finland |
| Max. length | 10 km (6.2 mi) |
| Max. width | 15 km (9.3 mi) |
| Surface area | 81.11 km2 (31.32 sq mi) |
| Average depth | 4.58 km (2.85 mi) |
| Max. depth | 28.2 km (17.5 mi) |
| Water volume | 0.372 km (0.231 mi) |
| Shore length1 | 303.73 km (188.73 mi) |
| Surface elevation | 92.3 km (57.4 mi) |
| Frozen | December–April |
| Islands | Vehkasalo, Hirtesalo, Kotisalo, Ohrasaari, Urrionsaari, Nautsalo |
| References | [1] |
| 1 Shore length is not a well-defined measure. | |
Municipalities near Jääsjärvi are Joutsa and Hartola. Jääsjärvi flows from the southwestern part via Tainionvirta and into several smaller lakes to Päijänne.
References
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