# Oskar-Fredriksborg Fortress, Sweden: what it is and when to go > Oskar-Fredriksborg Fortress is a was built in 1877 to protect the strategic fairway to Stockholm in Sweden. Interests: History. The best time to visit is December to February and May to September. In June there are 18 h 14 of daylight, and in December, 5 h 46. It has articles in 3 Wikipedias, so it is not one of the busiest places in Sweden: one to enjoy at a calmer pace. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip. - Address: https://kokai.app/en/paises/europa/suecia/oskar-fredriksborg/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Was built in 1877 to protect the strategic fairway to Stockholm · History - **Where:** Sweden - **Best time:** December to February and May to September. - **Nearest airport:** ARN Stockholm, 40 km as the crow flies - **Coordinates:** 59.39846, 18.43558 ## What it is and where Oskar-Fredriksborg Fortress is a was built in 1877 to protect the strategic fairway to Stockholm in Sweden. It has articles in 3 Wikipedias, so it is not one of the busiest places in Sweden: one to enjoy at a calmer pace. It is in [Stockholm](https://kokai.app/en/paises/europa/suecia/estocolmo/), where this site lists 242 more places to see, 20 km from the centre. Its coordinates are 59.39846, 18.43558; the nearest main airport is Stockholm-Arlanda Airport (ARN, Stockholm), 40 km as the crow flies. How to get around Sweden (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/suecia/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=59.398464%2C18.435581) - [Directions](https://www.google.com/maps/dir/?api=1&destination=59.398464%2C18.435581) It is one of the [History](https://kokai.app/en/paises/europa/suecia/historia/) places in Sweden. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap. ## When to go The best time to visit Oskar-Fredriksborg Fortress is **December to February and May to September**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Best time | 6 h 31 | | February | Best time | 8 h 52 | | March | Possible | 11 h 22 | | April | Possible | 14 h 10 | | May | Best time | 16 h 41 | | June | Best time | 18 h 14 | | July | Best time | 17 h 34 | | August | Best time | 15 h 16 | | September | Best time | 12 h 30 | | October | Possible | 9 h 47 | | November | Better not | 7 h 13 | | December | Best time | 5 h 46 | In June there are 18 h 14 of daylight, and in December, 5 h 46. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather. When to go to Sweden in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/suecia/#cuando-ir). ## Before you go to Sweden To enter Sweden there are 6 things to sort out before you leave, starting with “Valid Spanish ID card (DNI) or passport”: they are all, with their deadlines, in [the Sweden checklist](https://kokai.app/en/paises/europa/suecia/#antes-de-salir). Currency: Swedish krona (SEK); plugs: Type C and F · 230 V · 50 Hz (the same as in Spain); emergencies: 112 · 1177 health advice line. In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it. ## What is nearby - [Fredriksborg Fortress](https://kokai.app/en/paises/europa/suecia/fredriksborgs-fastning/): 18th century fortress in Stockholm inner archipelago, Sweden · 382 m - [Rindö Redoubt](https://kokai.app/en/paises/europa/suecia/rindo-redoubt/): It is located on Rindö's western cape and was built to supplement fortress Vaxholm in the defense of the inlet to Stockholm and it was able to control the sector in the north and northeast · 4.0 km - [Vaxholm Fortress](https://kokai.app/en/paises/europa/suecia/vaxholms-kastell/): Swedish fortress · 4.4 km - [Vaxholm Fortress Museum](https://kokai.app/en/paises/europa/suecia/vaxholms-fastnings-museum/): Museum of the Swedish Armed Forces · 4.4 km - [Vaxholm Church](https://kokai.app/en/paises/europa/suecia/vaxholms-kyrka/): Church of Sweden church building in Vaxholm, Sweden · 5.0 km Distances are as the crow flies. Everything else is in [the Sweden guide](https://kokai.app/en/paises/europa/suecia/). ## More in Sweden: History - [Drottningholm Palace](https://kokai.app/en/paises/europa/suecia/drottningholm-palace/): royal palace in Ekerö Municipality, Sweden - [Birka](https://kokai.app/en/paises/europa/suecia/birka-and-hovgarden/): archaeological site on the island of Björkö in Sweden - [National Library of Sweden](https://kokai.app/en/paises/europa/suecia/national-library-of-sweden/): Sweden's national library - [Stockholm Palace](https://kokai.app/en/paises/europa/suecia/palacio-real-de-estocolmo/): official residence of the Swedish monarch - [Skogskyrkogården](https://kokai.app/en/paises/europa/suecia/skogskyrkogarden/): cemetery in Stockholm, Sweden - [Engelsberg Ironworks](https://kokai.app/en/paises/europa/suecia/engelsbergs-ironworks/) Every Sweden place under History, each with its season, is on [its page](https://kokai.app/en/paises/europa/suecia/historia/). ## Frequently asked questions ### What is Oskar-Fredriksborg Fortress? It is a was built in 1877 to protect the strategic fairway to Stockholm in Sweden. It has articles in 3 Wikipedias, so it is not one of the busiest places in Sweden: one to enjoy at a calmer pace. ### When is the best time to visit Oskar-Fredriksborg Fortress? December to February and May to September. In June there are 18 h 14 of daylight, and in December, 5 h 46. ### How do you get to Oskar-Fredriksborg Fortress? The nearest main airport is Stockholm-Arlanda Airport (ARN), 40 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=59.398464%2C18.435581) opens the route on the map, and how to get around Sweden is explained in [its country guide](https://kokai.app/en/paises/europa/suecia/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the Sweden map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby. ### What else is around here? Nearby you have [Fredriksborg Fortress](https://kokai.app/en/paises/europa/suecia/fredriksborgs-fastning/), [Rindö Redoubt](https://kokai.app/en/paises/europa/suecia/rindo-redoubt/), [Vaxholm Fortress](https://kokai.app/en/paises/europa/suecia/vaxholms-kastell/). The rest is in [the Sweden guide](https://kokai.app/en/paises/europa/suecia/). Data from [OpenStreetMap](https://www.openstreetmap.org/way/23991916), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q10612991), CC0. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).