Step behind locked doors and discover a hidden side of Suomenlinna on the Secrets of Suomenlinna tour. An official Suomenlinna guide will lead your group through closed tunnels and other areas of the fortress that are normally inaccessible to the public.
Prices 2026:
1–10 persons: €250 per group
11–20 persons: €320 per group
21–25 persons: €370 per group
A 100 % surcharge applies on Sundays and public holidays.
Information about the tour:
The Secrets of Suomenlinna tour is available throughout the year. Please request a quote for your preferred date and time.
The tour lasts approximately 60-75 minutes. The final duration will be agreed during the booking process.
The tour usually starts at the Suomenlinna Museum lobby, although an alternative starting point can be arranged according to your group’s wishes.
The tour is suitable for groups of 1-25 people.
We recommend dressing appropriately for the weather and wearing comfortable walking shoes. Please also bring a torch.
The tour does not include a museum visit. During the summer season, groups may visit the Ehrensvärd Museum independently after the tour during the museum’s opening hours.
Please note that the route is note accessible for wheelchair users.
Photo: Pauli Peltomäki