# Slot Assumburg, Netherlands: what it is and when to go > Slot Assumburg is a castle in Heemskerk in Netherlands (Haarlem). Interests: History. The best time to visit is April to September. In June there are 16 h 33 of daylight, and in December, 7 h 26. It has articles in 5 Wikipedias, so it is not one of the busiest places in Netherlands: 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/paises-bajos/slot-assumburg/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Castle in Heemskerk · History - **Where:** Netherlands - **Best time:** April to September. - **Nearest airport:** AMS Amsterdam, 22 km as the crow flies - **Coordinates:** 52.50512, 4.68516 ## What it is and where Slot Assumburg is a castle in Heemskerk in Netherlands (Haarlem). It has articles in 5 Wikipedias, so it is not one of the busiest places in Netherlands: one to enjoy at a calmer pace. It is in [Haarlem](https://kokai.app/en/paises/europa/paises-bajos/haarlem/), where this site lists 125 more places to see, 14 km from the centre. Its coordinates are 52.50512, 4.68516; the nearest main airport is Amsterdam Airport Schiphol (AMS, Amsterdam), 22 km as the crow flies. How to get around Netherlands (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/paises-bajos/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=52.505116%2C4.685158) - [Directions](https://www.google.com/maps/dir/?api=1&destination=52.505116%2C4.685158) It is one of the [History](https://kokai.app/en/paises/europa/paises-bajos/historia/) places in Netherlands. 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 Slot Assumburg is **April to September**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 7 h 56 | | February | Possible | 9 h 37 | | March | Possible | 11 h 31 | | April | Best time | 13 h 40 | | May | Best time | 15 h 31 | | June | Best time | 16 h 33 | | July | Best time | 16 h 07 | | August | Best time | 14 h 29 | | September | Best time | 12 h 23 | | October | Possible | 10 h 18 | | November | Possible | 8 h 25 | | December | Possible | 7 h 26 | In June there are 16 h 33 of daylight, and in December, 7 h 26. 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 Netherlands in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/paises-bajos/#cuando-ir). ## Before you go to Netherlands To enter Netherlands 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 Netherlands checklist](https://kokai.app/en/paises/europa/paises-bajos/#antes-de-salir). Currency: Euro (EUR); plugs: Type C and F · 230 V · 50 Hz (the same as in Spain); emergencies: 112 · 0900-8844 police (non-emergency). 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 - [Dierendorp](https://kokai.app/en/paises/europa/paises-bajos/dierendorp/): With kids · Wildlife · 663 m - [Animal Farm](https://kokai.app/en/paises/europa/paises-bajos/dierentuin-animal-farm/): Dutch zoo · 1.4 km - [Stadsbrouwhuis Broer & Zus](https://kokai.app/en/paises/europa/paises-bajos/stadsbrouwhuis-broer-zus/): Brewery · 2.9 km - [Eendenkooi van der Eng](https://kokai.app/en/paises/europa/paises-bajos/eendenkooi-van-der-eng/): Protected area · 3.1 km - [Fort aan den Ham](https://kokai.app/en/paises/europa/paises-bajos/fort-aan-den-ham/): Part of the Defence Line of Amsterdam · 3.5 km Distances are as the crow flies. Everything else is in [the Netherlands guide](https://kokai.app/en/paises/europa/paises-bajos/). ## More in Netherlands: History - [Rijksmuseum](https://kokai.app/en/paises/europa/paises-bajos/rijksmuseum/): museum in Amsterdam, Netherlands - [Beemster](https://kokai.app/en/paises/europa/paises-bajos/droogmakerij-de-beemster/): former municipality in Noord-Holland, the Netherlands - [Mauritshuis](https://kokai.app/en/paises/europa/paises-bajos/mauritshuis/): art museum in The Hague, Netherlands - [Peace Palace](https://kokai.app/en/paises/europa/paises-bajos/palacio-de-la-paz/): international law administrative building in The Hague, Netherlands - [Stelling van Amsterdam](https://kokai.app/en/paises/europa/paises-bajos/stelling-van-amsterdam/): fortification line in the Netherlands - [Concertgebouw, Amsterdam](https://kokai.app/en/paises/europa/paises-bajos/concertgebouw/): concert hall in Amsterdam, Netherlands Every Netherlands place under History, each with its season, is on [its page](https://kokai.app/en/paises/europa/paises-bajos/historia/). ## Frequently asked questions ### What is Slot Assumburg? It is a castle in Heemskerk in Netherlands. It has articles in 5 Wikipedias, so it is not one of the busiest places in Netherlands: one to enjoy at a calmer pace. ### When is the best time to visit Slot Assumburg? April to September. In June there are 16 h 33 of daylight, and in December, 7 h 26. ### How do you get to Slot Assumburg? The nearest main airport is Amsterdam Airport Schiphol (AMS), 22 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=52.505116%2C4.685158) opens the route on the map, and how to get around Netherlands is explained in [its country guide](https://kokai.app/en/paises/europa/paises-bajos/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the Netherlands 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 [Dierendorp](https://kokai.app/en/paises/europa/paises-bajos/dierendorp/), [Animal Farm](https://kokai.app/en/paises/europa/paises-bajos/dierentuin-animal-farm/), [Stadsbrouwhuis Broer & Zus](https://kokai.app/en/paises/europa/paises-bajos/stadsbrouwhuis-broer-zus/). The rest is in [the Netherlands guide](https://kokai.app/en/paises/europa/paises-bajos/). Data from [OpenStreetMap](https://www.openstreetmap.org/relation/3810124), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q1967073), CC0. More about Slot Assumburg on [Wikipedia](https://en.wikipedia.org/wiki/Slot_Assumburg). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).