The Vordingborg Castle Ruins (Vordingborg Slotsruin) are the town's most famous landmark and one of the most important medieval royal sites in Denmark. In the Middle Ages Vordingborg was a principal royal castle, closely associated with King Valdemar the Great and his successors, who governed the kingdom from this strategically placed fortress in southern Zealand. The most striking survivor is the Goose Tower (Gåsetårnet), built around 1370 and regarded as Denmark's only preserved medieval royal tower. From its top a viewing platform opens up a wide panorama over the town, the surrounding countryside and the waters that once made this a vital point of control. The tower takes its name from the golden goose that crowns its spire and turns in the wind. Around the ruins, the modern Danish Castle Centre (Danmarks Borgcenter) brings the site's history to life through interactive exhibitions and archaeological finds, tracing the power struggles, sieges and royal ceremonies that shaped the medieval kingdom. Visitors can walk among the excavated foundations and ramparts, climb the Goose Tower, and explore how a castle of this scale functioned in everyday life and in war. Set within a green historic park close to the town centre, the ruins are both an outdoor monument and a family-friendly museum experience. The castle centre keeps regular opening hours from Tuesday to Sunday, with the site closed on Mondays, and an admission fee applies. For anyone interested in kings, castles and the deep roots of Danish statehood, Vordingborg offers a rare chance to stand inside a real medieval royal stronghold and look out from a tower that has watched over the town for more than six centuries.
A local's tip
The Goose Tower's golden goose turns in the wind - find it!
Getting there
Train to Vordingborg station, 10 min walk
Best time to visit
Summer for living history events
Accessibility
Castle centre accessible, tower has stairs

