A Mighty Past Hidden in the Landscape

Just south of Slagelse, where Kongevejen cuts through gently rolling fields, lies one of Denmark's most significant medieval ruins. Antvorskov was once the largest monastery complex in Scandinavia — the headquarters of the Order of Saint John in Denmark, a political powerhouse, and later a royal castle where kings held court. Today the ruins rise quietly from the grass, but the scale of what once stood here is still palpable in the massive foundation walls and vaulted cellar passages that have survived eight centuries.

From Knights Hospitaller to Royal Residence

The story of Antvorskov begins around 1164, when the Knights of Saint John established a hospice for pilgrims and crusaders on the road between Korsør and Ringsted. Over the following centuries, the monastery grew into an enormous complex — at its peak covering an area larger than many medieval towns. The Grand Prior of Antvorskov wielded influence rivalling that of bishops, and the monastery controlled vast stretches of land across Zealand. After the Reformation in 1536, the Crown seized Antvorskov and converted it into a royal castle. Frederik II and Christian IV both used it as a residence, and the castle hosted lavish celebrations and diplomatic meetings. By the 18th century, however, the buildings had fallen into disrepair. Much of the stone was carted away for use in other constructions, leaving the atmospheric ruins visitors explore today.

Walking Among the Ruins

The site is freely accessible year-round, and a walk through the area gives a strong sense of the former grandeur. Interpretive signs mark where the church, cloisters, and great hall once stood. The surviving cellar vaults — cool and dimly lit — are particularly evocative, their ribbed ceilings testifying to medieval craftsmanship. The surrounding parkland is well-maintained with mowed paths winding between old trees and foundation remnants. It is a peaceful place for a stroll, a picnic on the grass, or simply sitting on a bench letting the imagination reconstruct the vanished walls.

The Landscape Around Antvorskov

The area south of Slagelse is characterised by agricultural land interspersed with small woodlands and gentle hills formed during the last Ice Age. Antvorskov sits on a slight rise with views over the surrounding fields — a strategic position that the medieval monks chose deliberately. The nearby Antvorskov Forest offers additional walking routes through beech and oak, and the old royal road (Kongevejen) itself has historical significance as one of Denmark's oldest travel routes connecting the Great Belt ferry at Korsør with the interior of Zealand.

Experiences in the Area

Slagelse is just a few minutes' drive north, offering cafés, restaurants, and the town's charming old streets. History enthusiasts will find Trelleborg Viking Fortress only 8 km to the west — one of the best-preserved ring fortresses from the Viking Age. The Storebælt coast at Korsør is about 15 km away, where the old fortress guards the strait crossing. For nature lovers, Skælskør Nor and Borreby Mose lie to the south, offering rich birdlife and scenic walking. Discover even more experiences and inspiration for your stay at destinationsjaelland.dk.