Kastellet: Copenhagen’s Star-Shaped Citadel
A living star-shaped fortress blending Danish military history, scenic urban parkland, and tranquil harborside walks in central Copenhagen.
Kastellet is a remarkably preserved 17th-century star fortress near Østerbro, Copenhagen. Surrounded by lush ramparts and moats, the fortress is still an active military site yet freely open to the public for exploration. Wander its pentagram-shaped walls, visit historic barracks, admire the windmill and striking entry gates—all while absorbing layers of Danish history.
A brief summary to Kastellet
- Gl. Hovedvagt, Kastellet 1, Copenhagen, København Ø, 2100, DK
- Visit website
Local tips
- Entrance is free; grounds are open daily from early morning until evening.
- Don’t miss the distinctive windmill on the ramparts, a favorite photo spot.
- Combine your visit with nearby sights like the Little Mermaid and the Museum of Danish Resistance.
- The fortress is a popular jogging route; mornings are quieter and especially tranquil.
- Most paths are paved and stroller-friendly, but some older cobblestones may be uneven.
Getting There
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Walking
From central Østerbro, a stroll through the leafy parkland and harborfront leads directly to Kastellet’s iconic gate. The star-shaped fort is a distinct landmark near the Little Mermaid and the Museum of Danish Resistance. Expect a walk of about 10–20 minutes, with benches and sculptures along the way.
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Public Transport
Buses from central Østerbro run toward the park area by the harbor, with stops close to Kastellet’s moat. A single adult ticket costs 24 DKK (~€3.20). From the bus stop, the fortress’ red walls and main entry are clearly visible.
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Taxi
A taxi ride from Østerbro’s main squares takes roughly 5–10 minutes, typically costing 80–120 DKK depending on traffic. Taxis can drop visitors near the main fortress entrance.
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Driving/Parking
Limited street parking is available around the fortress, with municipal meters charging about 24–38 DKK per hour. Spaces fill quickly, especially during peak seasons.
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