Canal cruise. No doubts it is one of the most popular activities in St.Petersburg. Many guidebooks describe our city as ‘Venice of the North’ or ‘the city of rivers, canals and bridges’. It is true – over 70 kilometers of rivers and canals, over 350 smaller and bigger bridges. St.Petersburg was built facing the water. Taking a canal cruise you have to a chance to see the city in its best – the most beautiful views, the best palaces and monuments. Usually the canal cruise takes one hour during the day. There is also a night option to watch the draw bridges.