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Oscarsborg Fortress is ideal for events, courses and conferences, tourists, boating enthusiasts, families with children and people who are interested in culture and history. Various cultural events are held at the fortress throughout the year, from concerts and opera performances to small, local events.

The museum offer guided tours, which are an excellent opportunity to see the fortress and to learn about the history of Oscarsborg.

Forsvarets hus
The Commandant's residence houses an extensive photo exhibition and information about the armed forces of today.

Oscarsborg Fortress Museum
Tells about the history of the fortress through several exhibitions on the history of Oscarsborg and the coastal artillery. The Coastal Artillery Museum (Kystartillerimuseet) has a collection of cannons that were used along the Norwegian coast in the period 1945-1995.

Oscarsborg Marina is open all year and can accommodate approximately 100 boats.

Changing art exhibitions are shown both at the main fortress and in smaller buildings on the islands.

Strolling theatre, concerts and operas
For parts of the summer season, a strolling theatre performance brings the history of the fortress to life. Opera performances and concerts are also held in August.

Restaurants and accommodation
There are several cafés/restaurants and one hotel at Oscarsborg. You can also stay overnight in your own boat in the marina.

Salutes are fired for the birthdays of the King and Queen, and the Crown Prince and Crown Princess, VE Day, National Day and Union Dissolution
Day at 12.00 (13.00 on Sundays).

Dates of ordinary salutes
21 February - the King's birthday
8 May – VE Day
17 May – Constitution Day
7 June – Union Dissolution Day
4 July - the Queen's birthday
20 July - the Crown Prince's birthday
19 August - the Crown Princess's birthday.

The fortress trail
Walk at your own pace and learn about the nature, unique architecture and history of the fortress through the centuries. The map of the trail provides information about historical events and famous people, and what everyday life was like within the fortress's thick walls. The map also contains information about the design of the fortress, and explanations of what, to most of us, are unfamiliar words and expressions used about buildings, weapons and other things that were part of fortress life.

Tips for things you can do yourself
Large areas of the fortress consist of open parkland that you can use for recreation purposes. Visitors can enjoy a picnic, play ball games or just go for a walk in these areas. As long as you show due consideration for the historical surroundings, the only limit is your imagination.


Smilende kvinne på vårt servicesenter med hodetelefoner med mikrifin


Opening hours

The fortress area is open all year. Oscarsborg is only accessible by boat. A ferry service runs every day all year from Drøbak to Oscarsborg Fortress. The crossing from Drøbak takes about 10 minutes.

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