Come and discover Suomenlinna (Unesco site) with me, about fifteen minutes by ferry (ferry Line 19) from Helsinki Market Square. I promise you an unforgettable walk in an exceptional place. I will wait for you in Suomenlinna, at the ferry exit on the Main Pier. Our route will be a 4 km circuit punctuated by around ten points of interest. We will pass in front of the houses of Russian merchants, in front of the Church, we will pass by the Great Court, we will stop to observe the Dry Dock, we will cross Piper Park, we will walk on the path of the sand ramparts, we will go down the stairs From the King's Gate, we will pass in front of the submarine, finally returning to our starting point, the ferry boarding dock, where we will do a short recap. You can then take the ferry back or stay a little longer in Suomenlinna. Remember to check the ferry timetable (HSL).