Oscarsborg Fortress
Oscarsborg Fortress is situated on the Oslofjord and has had the important function of defending the seaward approach to the capital. With its strategic location on an island, Oscarsborg Fortress is a very popular tourist destination, with its own marina and great biological diversity.
Opening hours and practical information
The fortress area is open all days all year. The ferry takes you to Oscarsborg. The entrance to the fortress area is free. Museums, events, restaurants and concerts may have other opening hours and fees.
Practical information
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