River Sava, a tributary of Danube River, runs through the centre of Belgrade before emptying its water into the main Danube. Instead of a boat cruise you can opt for a kayak tour. During the three hours of the tour, operators refresh your basic kayaking skills. Take a Kayak tour and unleash the adventurous spirit in you. Explore the capital city from a different perspective. The tour takes you around six Bridges of the Sava River. Pass under Ada Bridge, New Railroad Bridge, Old Railroad Bridge, Gazela Bridge, Old Sava Bridge, and Branko's Bridge. Get a close look at the architectural details of each. You will pass by the ruins of Belgrade Fortress and floating nightclubs en-route. The beauty of Ada Bridge will make you realise why Belgradians are so proud of it. Bridges on Sava are integral to Belgradian life. Well known Serbian writer has even written poems around the bridges on Sava!