Akershus Fortress

Medieval castle guarding Oslo fjord

Akershus Fortress stands on Oslo’s waterfront, guarding the city since the 1300s. Built by Danish rulers, its stone walls have witnessed wars, royal ceremonies and daily life for centuries. Today visitors walk through old barracks, see cannons facing the fjord and explore museums inside the ramparts. The fortress sits where land meets water, offering views of ships passing under historic gates. It remains a place where history feels close without being crowded or staged.

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Historic Fortress in Oslo

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Safety: 9.0

General Safety:	9
Accessibility:	9

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5/5

English is widely spoken by staff and guides at the fortress and throughout Oslo, enabling smooth and informative experiences for international visitors.

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Last update: 12 Oct 2026

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Akershus Fortress Summary

Strong in medieval history and harbor views. Explore historic fortress grounds, visit museums, walk the old ramparts and enjoy scenic views over Oslo’s waterfront.

Opening hours:

Mon-Sun:

06:00 - 21:00

Public website:

www.forsvarsbygg.no

Norway – Quick facts

Guide Etiquette Holidays Other

Power Grid:	230 V, 50 Hz Plug: Type C , Type F Type C: Type F: Read about power adapters
Currency:	Norwegian Krone (NOK) £1 ≈ NOK 12.42
Cashless info:	Rating 5/5 Norway is a highly cashless society. Credit and debit cards are widely accepted, and many places even prefer card payments over cash. Save with a travel credit card
eSIM providers:	Best value: Saily Flexibility: Airalo Read our in-depth comparison

Tipping:	Tipping is not obligatory in Norway, though it is appreciated. In restaurants, rounding up the bill or leaving 5-10% is common. Taxi drivers expect small tips, and hotel staff appreciate small gratuities.
Public drinking:	Public drinking is allowed in Norway in some areas, such as designated outdoor events. However, it is prohibited in public places like parks and streets in many cities.
Public smoking:	Smoking is prohibited indoors in all public places, including restaurants and public transport. Designated outdoor smoking areas are available in most public spaces.

Norwegian Constitution Day (May)	A national holiday with celebrations, especially in Oslo, expect crowded areas and festivities.
Christmas (December)	Christmas celebrations are widespread, with Christmas markets and festive events, but expect crowded cities and higher accommodation prices.
Midsummer (June)	Midsummer celebrations take place with outdoor events, festivals, and celebrations.

Emergency contact:	Emergency Number: 112 (Police, Fire, Ambulance)
Taxi apps:	Uber, Bolt
Other:	Norway is a beautiful country with extensive natural landscapes. Be prepared for variable weather and pack accordingly, especially if you plan to explore the outdoors.

Best times to travel

The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.

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Crowdedness:
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Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.

for Akershus Fortress, Norway

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High season:	June - Aug.
Shoulder season:	May, Sep.

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Climate details

Grounds open daily, castle interior and museums shorter hours or closed in winter, with guided tours mainly in summer

Don't miss

🏰 Explore medieval castle halls and historic ramparts
🎖️ Visit the Armed Forces and Resistance Museums
🌊 Enjoy panoramic views over Oslofjord from the fortress

You've been here?

Akershus Fortress has stood since the late 13th century as a key defensive stronghold and royal residence for Oslo. Built under King Håkon V, the castle has withstood sieges and witnessed pivotal moments in Norwegian history.

The fortress has impressive medieval and Renaissance architecture including the well-preserved Akershus Castle, fortress walls, cannons and the serene Castle Church. Inside, the Armed Forces Museum and Norwegian Resistance Museum provide immersive insights into Norway’s military history, including World War II occupation and resistance.

The Royal Mausoleum holds the tombs of several Norwegian monarchs, adding reverence and national pride to the site. Visitors can also enjoy panoramic views over the Oslo fjord, making the fortress a perfect blend of history and natural beauty.

While the fortress grounds are open freely, guided tours, museum visits and special events may require tickets. Visitors should wear comfortable shoes for cobblestone paths and be mindful of weather changes. Early visits are recommended for a peaceful experience before peak hours.

Knowledge before you go

Free entry to grounds; book castle tours ahead.
Visit Resistance Museum and Armed Forces Museum inside fortress walls.
Walk ramparts for stunning Oslofjord and city skyline views.
Built in 1299 by King Haakon V; never conquered, houses royal tombs.

How to travel to Akershus Fortress

Akershus Fortress is conveniently located in central Oslo, right on the waterfront. Visitors can reach it by public transportation with tram number 12 stopping nearby at Kontraskjæret and several bus routes serving the area. From Oslo Gardermoen Airport, travelers can take the airport express train or buses to the city center, followed by a short walk or tram ride.

Access summary

From Oslo Airport (OSL): Airport train to Oslo S (20 min), walk 15 min.
From Oslo city centre: Walk from Oslo S or Nationaltheatret, about 10–15 min.
From Bergen: Flight or train to Oslo (1–7 hours), then walk/tram.

Check your route from anywhere

Where to stay near Akershus Fortress

Visitors often choose hotels in central Oslo, offering easy walking access to Akershus Fortress and other city attractions. Options range from luxury to budget, catering to diverse needs.

Hotel recommendations

*by rating and popularity. Commissions have no influence on the rankings.

Radisson Blu Plaza Hotel Oslo

Radisson Blu Scandinavia Hotel Oslo

8.6

Revier

8.9

Radisson RED Oslo City Centre, A Verified Net Zero Hotel

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Packing recommendations for Akershus Fortress

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Camera

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Comfortable walking shoes

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Reusable water bottle

Universal travel adaptor

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Credit card with no foreign transaction fees

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+55 %

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+1 %

Your exchange rate (GBP to NOK) is 1% worse than in recent years. That means travelling now costs around the same compared to the past.

Safety information overview

General safety

Oslo’s Akershus Fortress is very safe for visitors, with well‑maintained security and frequent patrols. Crime rates are low and the site is open to tourists year‑round. Follow normal precautions: keep valuables secure, stay on marked paths and respect local rules.

Accessibility

Oslo’s Akershus Fortress offers limited accessibility: a few wheelchair‑friendly paths and elevators serve key areas, but many historic walls remain steep or uneven. Visitors should plan ahead for mobility aids, use guided tours and check the latest access updates.