The VT-line or Vammelsuu–Taipale line was a Finnish

Finland

Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...

 defensive line on the Karelian Isthmus

Karelian Isthmus

The Karelian Isthmus is the approximately 45–110 km wide stretch of land, situated between the Gulf of Finland and Lake Ladoga in northwestern Russia, to the north of the River Neva . Its northwestern boundary is the relatively narrow area between the Bay of Vyborg and Lake Ladoga...

 built in 1942–1944 during the Continuation War

Continuation War

The Continuation War was the second of two wars fought between Finland and the Soviet Union during World War II.At the time of the war, the Finnish side used the name to make clear its perceived relationship to the preceding Winter War...

 and running from Vammelsuu on the northern shore of the Gulf of Finland

Gulf of Finland

The Gulf of Finland is the easternmost arm of the Baltic Sea. It extends between Finland and Estonia all the way to Saint Petersburg in Russia, where the river Neva drains into it. Other major cities around the gulf include Helsinki and Tallinn...

 through Kuuterselkä and Kivennapa and along Taipaleenjoki to Taipale on the western shore of Lake Ladoga

Lake Ladoga

Lake Ladoga is a freshwater lake located in the Republic of Karelia and Leningrad Oblast in northwestern Russia, not far from Saint Petersburg. It is the largest lake in Europe, and the 14th largest lake by area in the world.-Geography:...

. It crossed the Saint Petersburg

Saint Petersburg

Saint Petersburg is a city and a federal subject of Russia located on the Neva River at the head of the Gulf of Finland on the Baltic Sea...

–Vyborg

Vyborg

Vyborg is a town in Leningrad Oblast, Russia, situated on the Karelian Isthmus near the head of the Bay of Vyborg, to the northwest of St. Petersburg and south from Russia's border with Finland, where the Saimaa Canal enters the Gulf of Finland...

 railroad at Sahakylä (now 63rd km) and the Saint Petersburg–Hiitola railroad

Saint Petersburg–Hiitola railroad

The Saint Petersburg-Hiitola Railway is a 170-kilometre long railway with broad gauge located in Saint Petersburg, Leningrad Oblast and Republic of Karelia, which links Finlyandsky Rail Terminal to Hiitola through Devyatkino, Vaskelovo, Sosnovo, Priozersk and Kuznechnoye...

 at Kelliö (now 69th km).