Ontojärvi
| Ontojärvi | ||
|---|---|---|
| Geographical location | Kainuu ( Finland ) | |
| Tributaries | from Lammasjärvi | |
| Drain | Ontojoki | |
| Location close to the shore | Kuhmo | |
| Data | ||
| Coordinates | 64 ° 8 ′ N , 29 ° 12 ′ E | |
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| Altitude above sea level | 159.2 m | |
| surface | 104.57 km² | |
| volume | 0.602 km³ | |
| Maximum depth | 29 m | |
| Middle deep | 5.76 m | |
| Catchment area | 4949 km² | |
The Ontojärvi is a lake in the town of Kuhmo in the Finnish landscape Kainuu .
The Ontojärvi forms with the much smaller Nurmesjärvi , which is located in the southeast, a 104.57 km² large lake, which is at an altitude of 159.2 m. The lakes Lentua and Lammasjärvi to the east are located in the 4949 km² catchment area of the Ontojärvi . The Ontojärvi is drained in the west from Ontojoki to Iso-Kiimanen . From there, the water flows on to Oulujärvi and over the Oulujoki to the Gulf of Bothnia . The center of Kuhmo is a few kilometers east of Ontojärvi.