Castles - Netherlands

6 documented abandoned castles have been mapped by the Urbexology community across Netherlands, with the highest concentration around Sluis (1), Uithoorn (1), Nieuwenhoorn (1). Each location below links to its own page with coordinates, photos where available, and access notes.

All locations

Fort Hazegras (Sluis)
Fort aan de Nekkerweg (Halfweg)
Fort aan de Noorddijk (Nieuwenhoorn)
Fort bij Uithoorn (Uithoorn)
Nieuw Fort Sint Andries (Heerewaarden)
Valkenburg Castle Ruins (Valkenburg)

As a reminder, it is FORBIDDEN to enter private property. Always check local laws and access rights before visiting any location. Read the full disclaimer.