All places on the map· Helsinki
Suomenlinna
Castle4.6 · 27 1374.4 · 8 470≈ 3 hFree entry3.4 km from the center
An 18th-century sea fortress spread over six interconnected islands off Helsinki, recognised as a UNESCO World Heritage site. Founded by Sweden in 1748 as Sveaborg to guard the Baltic approaches, it is now an open-air cultural park and residential community. Visitors can explore massive granite ramparts, historical artillery, mysterious underground tunnels, and the grand King's Gate.
Highlights
- King's Gate ceremonial fortress entrance
- Granite bastions and historic coastal artillery
- Vaulted underground tunnels open for exploration
- Sweeping views across the Gulf of Finland
Featured in itineraries
What’s nearby
Military Museum
1 min walk · 61 m
Ehrensvärd Museum
2 min walk · 197 m
Poliisikoulu is the Helsinki Police School.
3 min walk · 204 m
Augustin Ehrensvärd's tomb
3 min walk · 209 m
Suomenlinna Church
4 min walk · 290 m
Vesikko offers a unique underwater experience.
4 min walk · 325 m
Customs Museum
5 min walk · 382 m
Fortress of Suomenlinna
6 min walk · 482 m
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