Tyrifjord
| Tyrifjord | ||
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| Tyrifjord (Steinsfjord) | ||
| Geographical location | Viken ( Norway ) | |
| Tributaries | Storelva , Sogna | |
| Drain | Drammen Selva | |
| Places on the shore | Vikersund | |
| Data | ||
| Coordinates | 60 ° 3 ' N , 10 ° 8' E | |
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| Altitude above sea level | 63 moh. | |
| surface | 138.56 km² | |
| volume | 13.13 km³ | |
| scope | 171.81 km | |
| Maximum depth | 330 m | |
| Middle deep | 94.76 m | |
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| Map of the Tyrifjord | ||
The Tyrifjord (138.56 km²) is the fifth largest, in terms of water volume even third largest inland lake in Norway and is located in the municipalities of Hole , Lier , Modum and Ringerike (all in Fylke Viken ). The Tyrifjord is one of the most biodiverse lakes in Norway and there are good fishing opportunities for trout , pike and crabs .
The lake is located south of the town of Hønefoss and has four main arms: Nordfjord (north-west), Steinsfjord (north-east, with numerous islands), Holsfjord (south-east) and Storfjord (south-west), which is connected to the neighboring lake Bergsjø south of Vikersund . The Tyrifjord reaches its greatest depth of 330 meters in the Holsfjord. Near the entrance to the Holsfjord is the small island of Utøya , which was the scene of a mass murder on July 22, 2011 .