Saimaa Canal
The Saimaa Canal (; ; ) is a transportation canal that connects lake Saimaa with the Gulf of Finland near Vyborg, Russia. The canal was built from 1845 to 1856 and opened on 7 September 1856 (Old Style: 26 August 1856). It was overhauled and widened in 1963–1968. A system of inland waterways and canals in the 120 interconnected lakes of the south-central and south-east part of Finland (Finnish Lakeland) are reached through the canal. The network of deep channels in Lake Saimaa with at least a draught of covers . The deep channels extend all the way to Kuopio  in Central Finland. Topography. The canal begins near Lauritsala, Lappeenranta, Finland, at coordinates () and ends in Vyborg, Russia, at coordinates (), connecting Lake Saimaa and the Vyborg Bay. On the way, it connects Lake Nuijamaa, on the Finnish–Russian border at coordinates (), and three smaller lakes in Russia. Locks. There are a total of eight locks on the canal: the upper three locks in the Finnish part of the canal, and the lower five locks situated on the Russian side of the border: Mälkiä Lock has highest lift (), Tsvetochnoye Lock has the lowest (). Bridges. The canal crosses History. The canal, inaugurated  in 1856, was built between the cities of Lappeenranta and Viipuri (now part of Russia), both of them then in the autonomous Grand Duchy of Finland in the Russian Empire. In the Moscow Peace Treaty of 1940, Finland ceded the Karelian Isthmus and Vyborg to the Soviet Union; control of the canal was divided and traffic ended. Finland obtained a 50 year lease on the Soviet part of the canal and Maly Vysotsky Island (Ravansaari) in 1963. Finland constructed a deeper canal, which opened in 1968. The annual rent during this lease raised only once. In 2010, Finland obtained a  second 50 year lease from Russia, starting in 2013. Maly Vysotsky was not included in the new lease. Negotiations in 2008 had raised the annual rent from to , with revisions every 10 years. The new agreement went into effect on 17 February 2012. Regulations pertaining to maritime rules and employment of canal staff fall under Finnish jurisdiction; in all other cases Russian laws apply. Passports are required at the international boundaries, but Russian visas are not required for just passing through the canal.